Aug
5
1Q:- Find the result of the following expression if, M denotes modulus operation, R denotes round-off, T denotes truncation: M(373,5)+R(3.4)+T(7.7)+R(5.8)
Ans. 19
explanation: M(373,5)=3 R(3.4)=3 T(7.7)=7 R(5.8)=6
3+3+7+6=19
________________________________________
2Q. What is the largest prime number that can be stored in an 8-bit memory?
Ans. 2 ^8=256 —-255 is not a prime 253 is the ans
________________________________________________________________________
3Q. Find the physical quantity in units from the equation: (Force*Distance)/(Velocity*Velocity)
Ans. Ns2/m
________________________________________________________________________
4Q. Find the value of @@+25 - ++@16, where @ denotes “square” and + denotes “square root”.
Ans: 621
@ @(+25)-+(+@)16= 5^4 - root over16
= 625 -4 =621
________________________________________________________________________Q. If f(0)=1 and f(n)= f(n-1)*n, find the value of f(4).
Ans: 24
f(n)= f(n-1)*n
= f(4)=f(3)*4 again f(3)=f(2)*3
= f(2)*3*4
=f(1)*2*3*4
6Q. Convert the decimal number 310 to the base 6.
Ans: 1234
logic: 310/6 remainder 4 again 51/6 remainder 3 again 8/6 remainder 2
________________________________________
7. Find the missing number in the series: 2, 5, __ , 19 ,37, 75
Ans: 9
2*2+1=5
5*2+1=11 and so on
________________________________________________________________________
8Q. Find the fourth row, having the bit pattern as an integer in an 8-bit computer, and express the answer in its decimal value.
A 0 0 0 0 1 1 1 1
B 0 0 1 1 0 0 1 1
C 0 1 0 1 0 1 0 1
(AU(B-C)) ?
Ans. 29
U means add
________________________________________________________________________
9Q. Select the odd one out
a. SMTP b.WAP c. SAP d. ARP
ans :SAP
ARP means Automatic repeat protocol
________________________________________________________________________
10Q. Select the odd man out.
a. Java b.Lisp c. Smalltalk d. Eiffel
Ans: Java—-object oriented
continued……
11. Which of the following are orthogonal pairs?
a. 3i+2j b.i+j c. 2i-3j d. -7i+j
Ans: a and c
________________________________________
12Q: Number of faces, vertices and edges of a cube
a. 12,8,6
b.4,6,8
c. 6,8,12
d. 6,12 ,8
Ans: 6 faces….12 vertex……..8edges
________________________________________________________________________
13Q. Select the odd one out
a. SMTP b.WAP c. SAP d. ARP
Ans: SAP
________________________________________________________________________
14Q: select odd one- sql,db2,sybase,http
{ans- htttp}
________________________________________________________________________
15Q: select odd one-sybase,db2,oracle,unix
{ans-unix}–unix is an operating system
ans-PCCKJ
R S T—SHIFTING TWO LEFT -P- Q R
A-B SHIFTING ONE RIGHT B-C = PC
F->E ONE LEFT D->C =PCC
J->K ONE RITE J->K =PCCK
H—G ONE LEFT K—J =PCCKJ
________________________________________
17 q: In Madras , temperature at noon varies according to t^2/2+8t+3,where t is time elasped.find the percentage change in temp.from 4 pm to 9 pm.? ans- just put the values in given equations and get the difference and calculate % change.
=147 % NOT SURE
________________________________________________________________________
18.a power unit is there by the bank of a river 900 mtr wide. a cable is made from unit to power plant opposite to that of the river and 3000 mtr away from the power unit. the cost of the cable below water rs 5/mtr.and cost of cable on the bank is rs 4/mtr.find the point where cable cut thru river.
ans-2100
________________________________________________________________________
19. If a train of length 150m crosses a man in 12secs then wat time it will take to cross a bridge of 250m length…
Ans 20sec
Speed= 150/12 =12.5 m/sec
12.5 meter needs 1 sec
1 meter needs 1/12.5 sec
250 meter needs 250/12.5 = 20 sec
________________________________________________________________________
20)In an island there r tribals who speak lang of atmost 4 words.Lang consists of 4 alphabets.How many words can be formed in that language?
Ans 340
4c1= 4
4c2=12
4c3=4
4c4=1
4*12*4*1=192
22 Find the result of the following expression if, M denotes modulus operation, R denotes round-off, T denotes truncation: M(373,5)+R(3.4)+T(7.7)+R(5.8)
Ans. 19
________________________________________
23. What is the largest prime number that can be stored in an 8-bit memory?
Ans. 253 (sure)
____________________________________________________________________
24. Find the physical quantity in units from the equation: (Force*Distance)/(Velocity*Velocity)
Ans. Ns2/m
________________________________________________________________________
25. Find the value of @@+25-++@16, where @ denotes “square” and + denotes “square root”.
Ans: 621
______________________________________________________________________
26. If f(0)=1 and f(n)= f(n-1)*n, find the value of f(4).
Ans: 24
___________________________________________________________________
27. Convert the decimal number 310 to the base 6.
Ans: 1234
_____________________________________________________________________
28. Find the missing number in the series: 2, 5, __ , 19 ,37, 75
Ans: 9
_______________________________________________________________________
29. In a two-dimensional array, X(9,7), with each element occupying 4 bytes of memory, with the address of the first element X(1,1) is 3000,
find the address of X(8,5)?
30-Match the following:
1. Male - Boy —> a. A type of
2. Square - Polygon —> b. A part of
3. Roof - Building —> c. Not a type of
4. Mushroom - Vegetables —> d. A superset of
32*Identify the INAPPROPRIATE WORD from the words given below
(1) Procedure (2) Continuity (3) Perseverance (4) Pause
Ans: (3) perseverance
33-the radius of circle is increased by 8% then the area changes by which %?
( 12.34,16.62,17.3.,14.5)
Ans:12.34
34.a&b travel in opposite direction .dis b/w a&b is 72 km .a travel at a uniform speed of 4km/hr.but b travel at 1st hr in 2.5 km/hr ,2nd hr 3 km/hr & so on when did they meet?
[ 15 hrs ,9 hrs ,10, 6hrs]
Ans is around 10
35. 260 ,216,128,108,62,54,_ ,27.
a)39 b)45 c)29 d) 31
ans 29
260/2=130-2
216/2=108
128/2=64-2
108/2=54
62/2=31-2=29
________________________________________
36. (5.375)= _?__ in binary.
37.A no b/w 300 & 400 when divided by 7 get 6 as remainder , divided by 4 to get 3 as remainder…..(simple)
Ans: 307 (sure)
38. A camel must travel 15 miles in order to reach the nearest city. She have 45 bananas with her but can carry only 15 at a time . Also she eat 1 banana /mile .Then the maximum no of bananas that can be transported to the city?
a) 4 b) 6 c) 8 d) 12
Ans: 6
(1) | | | | | | | | | | | | | (15)
39. A person traveling by plane to a city which s 420km away . 15 minutes after the plane had left the port one of his relative start traveling to the city by car in order to collect the person. Speed of the car s 40km/hr and the city s 20 km far. At the instant plane landed, his relative just get in. Then the speed of plane?
a)480 b)560 c)545
Ans:560
45 minutes taken by the plan
45 min——-420 km
1 min 420/45
60 min (420*80)/45=560 km/hr
40. I ________ for last three years
a. have worked, b. have been working, c. have been worked, d. am working,
ans. b
Will the postman post the letters?
Ans: Will the letters be posted by the postman.
42Q. Life history of a person written by other person
a) autobiography b) biography c) bibliography d)
Ans: biography
.43. A jumbled word known as G I T B H R If the word is arranged in correct
1 2 3 4 5 6
order then what will be the order of number
Ans: BRIGHT (462153)
44. One question is like match the following i.e, one side a word is given and other side appropriate sentence is given
I II
A. Employer E. The painting is done by an expert hand
B. Superior F. Students love their teachers
C. Painter G. The dog is trained by his male owner
D. Teacher H. Slaves has fear about their master
(The II side of the matching options are not exact ,I guess these )
The answers will be in this form
a) A-H, B-G, C-E, D-F b) A-F, B-G, C-E, D-H
========================================
45. 13. what is the meaning of the phrase ” face the music”
a) face serious troubles etc
ans:
========================================
46. : awareness :: ____________
47. : moribund :: ____________
48. I) C is father of N but N is not son of C.
II) M is daughter of B and sister of P.
III) P is brother of N.
Which of the following is can not be inferred from the information given?
a) N is brother of P b) B has three children c) N is younger to P d)B has
Ans: c
==============================================================
48. If the class marks in frequency distribution weights of students be 128,137,146,155,164,173&182kgs then, the first class boundary is
A)121.5 B)122.5 C)1
49. 9 laboures can complete the construction of a wall in 18 days.How many less days will 12 laboures take to complete the same wall?
A)2 1/2 B)4 1/2 C)13 1/2 D)1/2
Ans: B
—————————————-
50. The rectangle box with square base is open at the top.The maximum volume of the box made from 1200 m2 tin,in m3 is:
A)2000 B)2500 C)3000 D)4000
Ans:2000
—————————————————————————————————
51. A person was fined for exceeding the speed limit by 10 km/hr.Another person was also fined for exceeding the same speed limit by twice the same.If the second person was traveling at a speed of 35km/hr,find the speed limit.
A)19km/hr B)27 km/hr c)30 km/hr D)15 km/hr
Ans:15 km per hour
_______________________________________________________________________
52. The difference between the compound and simple interest on a certain sum for 2 years at the rate of 8% per annum is Rs.80,What is the sum?
A)11,880 B)12,500 C)13,250 D)14,270
Ans: 12500
53. The ratio between two numbers is 5:7 and their product is 560.What is the difference between these two numbers?
A)8 B)12 C)6 D)21
Ans: A ans is 8. the numbers are 20 and 28
—————————————-
54. In a family Reshma is elder sister of Ragini.Soni is Reshma’s daughter and Saloni is Soni’s cousin.Ragini’s mother is Rajani.Ramani is the sister-in-law of Reshma.Who is Soni’s grandmother?
A)Reshma B)Ragini C)Rajani D)Ramani
Ans: C
——————————-
55. The mean and the variance of a binomial distribution are 4 and 2 respectively.Then the probability of 2 successes is:
A)37/256 B)219/256 C)128/256 D)28/256
Ans: D
—————————————-
56. Take any positive whole number not greater than 50.If the number is even, divide it by 2.If the number is odd,multiply it by 3,and add 1 to the result.Apply the same method to the resulting numbers until you finally arrive at the number 1.shown below is the chain of numbers that results from this method if you begin with 15.
15->46->23->70->35->106->53->160->80->40->20->10->5->16->8->4->2->1
As you can see, the number 15 requires 17 steps to end up at 1.Of the numbers not greater than 50,which takes the longest to reach the number 1 ?
A)26 B)27 C)28 D)17
Ans: B
57. After spending 2/3 of his salary on rent and food items and 1/4th of the remaining on transportation,Rajesh has 6000 with him.How much did he pay on transportation?
A)Rs.2000 B)Rs.4000 C)Rs.6000 D)Rs.1000
Ans: A
58] It was an interesting Qn If $=’0’ and @=’1’And if we can write 0=$
1=@
2=@$
3=@@
4=@$$
Then find out average of @@@@ and @@@$$@
Ans:@$$@$$
Hints: It is like binary digit conversion and u do it. It’s very easy.
—————————————-
59)If the difference in area of the circle is 15sq cm ,the original radius was 5 ,so find out the new radius……….
1)3 2)4 3)6 4)7
ans=7
r22 r12 = 15
r22 - r12 ) =15 let r2=5
r12 ) = 15
r12 = 15 +
r1
2. Some work is done by two people in 24 minutes. One of them can do this work alone in 40 minutes. How much time does the second person take to do the same work ?
Ans. 60 minutes
3. A car is filled with four and half gallons of fuel for a round trip.If the amount of fuel taken while going is 1/4 more than the amount taken for coming, what is the amount of fuel consumed while coming back?
Ans.2 gallons
4. The lowest temperature in the night in a city A is 1/3 more than 1/2 the highest during the day. Sum of the lowest temperature and the highest temperature is 100 degrees. Then what is the low temp?
Ans.40 degrees
5. Javagal, who decided to go to weekened trip should not exceed 8 hours driving in a day. The average speed of forward journey is 40 miles/hr.Due to traffic on sundays, the return journey’s average speed is 30 m/h. How far he can select a picnic spot?
a) 120 miles
b) between 120 and 140 miles
c) 160 miles
Ans. 120 miles
6. A salesperson by mistake multiplied a number and got the answer as 3, instead of dividing the number by 3.What is the answer he should have actually got?
Ans. 3
7. A building with height D shadow upto G. What is the height of a neighbouring building with a shadow of C feet.
Ans. (C*D)/G
8. A person was fined for exceeding the speed limit by 10 mph. Another person was also fined for exceeding the same speed limit by twice the same. If the second person was travelling at a speed of 35 mph, find the speed limit.
Ans. 15 mph
9. A bus started from bustand at 8.00am, and after staying for 30 minutes at a destination, it returned back to the busstand. The destination is 27 miles from the busstand. The speed of the bus is 18mph. During the return journey bus travels with 50% faster speed.At what time does it return to the busstand?
Ans. 11.00am
10. In a mixture, R is 2 parts and S is 1 part. In order to make S to 25% of the mixture, how much of R is to be added?
Ans.One part of R
please work out q63 and let me know…i m nt confi
1)3 2)4 3)6 4)7
ans=7
————————————————————————————————————–
.60) find the missing no.
?
66 66
28 28 28
10 10 10 10
2 2 2 2 2 2 2 2 (ans:-144)
From left side 2+2= 4 +6 =10
10+10 =20 +8 =28
28+28 =56+10 =66
66+66 = 132 +12 =144
61)A shopkeeper allows a discount of 25% on market price of an item and sells it for Rs 600 and still gains 20%. Find Original price of the item
Ans = around 444
———————————————————————————————————–
62)The difference between SI & CI on a certain sum of money for 2 yrs at 2 % per annum is Re. 1. The sum is-
a)625 b)670 c)640 d)650
Ans =
—————————————————————————————————
63)Person X join a job at 20 yrs.First 3 years sal =10,000 p.a. Afterwards every year inc of 2,000 per year for 10 year. Then sal become const till retirement. at retirement avg sal is 25,000. ( thro’out career) what age he retires.?
Ans:
1st year 25000 – 10000= 15000
2nd year 25000-10000= 15000
3rd year 25000- 10000=15000
4th year 25000-12000= 13000
5th year 25000-14000=11000
6th year 25000-16000=9000
7th year 25000-18000=7000
8th year 25000-2000=5000
9th year 25000-22000=3000
10th year 25000-24000=1000 4 years taken to cpmpensate
11th year 26000 = -1000
12 th year 28000=-3000
Money earned in 12 year 210 000 avg 17500 pa
Lagging 25000-17500= 7500 pa
So h
|
 |