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Question No 1

Two trains, each 100 m long, moving in opposite directions, cross each other in 8 seconds.If one is moving twice as fast the other, then the speed of the faster train is

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Solution!
Let the speed of the slower train be x m/sec! !Then,!speed of the faster train = 2x m/sec! !Relative speed = (x + 2x) m/sec = 3x m/sec! !So, (100+100)/8 = 3x!24x = 200!x = 25/3! !So, speed of the faster train = 50/3 m/s!= (50/3 * 18/5)!= 60km/hr.

Question No 2

A/B = 2/3. If value of A is 8 What is the value of B?

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Solution!
8/B = 2/3!2B = 24!B = 12! !*In short-cut way We can find 2 is multiplied by 4 to get 8 so if we multiply 3 with 4 we get 12 which is the value b B when value of A is 8..

Question No 3

flow is to river as stagnant is to..

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Solution!
As Water of a River flows similarly water of Pool is Stagnant..

Question No 4

A person's present age is two-fifth of the age of his mother. After 8 years, he will be one-half of the age of his mother. How old is the mother at present?

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Solution!
Let the mother's present age be x years.! !Then,! the person's present age = (2/5)x years.! !(2/5)x + 8 = (1/2)(x + 8)!2(2x + 40) = 5(x + 8)!x = 40!.

Question No 5

John's mother is sister of David's brother. What is John to David?

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Solution!
David is brother of John's mother.! !So John is nephew of David..

Question No 6

By selling a Television for $572 Adam lost 12%. What was the cost price of the television?

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Solution!
Let cost price of the television is x.!12% of x = 12x/100 = 3x/25! !Now!(3x/25)+572 = x!3x + 14300 = 25x!14300 = 22x!x = 650! !Hence cost price of the television is $650..

Question No 7

A 100 meters long train can cross a 150 meters long bridge in 20 seconds. What is the speed of the train?

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Solution!
Length of the train = L1 = 100m!Length of the bridge = L2 = 150m!Time = t = 20s!Speed = v = ?! !v = (L1+L2)/t!By putting values!v = (100+150)/20!v = 250/20 = 12.5m/s! !Hence speed of train is 12.5m/s..

Question No 8

BOVINE is to OVINE as COW is to..

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Solution!
No answer description available for this question..

Question No 9

A is the father of B but B is not A's son. What is relationship of B to A.

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Solution!
A is father of B but B is not A's son, then B must be daughter of A..

Question No 10

Add 32 + 8 + 18 + 25.

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Solution!
32 + 8 = 40! !40 + 18 = 58! !58 + 25 = 83.

Question No 11

0 , 100 , 6 , 94 , 12 , 88 , 18 , 82 , ? , ?

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Solution!
There are two sequences interwoven.! !Add 6 starting at 0 and deduct 6 starting at 100..

Question No 12

If n is not equal to 0, Which of the following must be greater than n? (1) 2n (2) n^2 (3) 2-n

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Solution!
Square of every non zero integer is grater than the orignal number.! !*Note that multiple of 2 of negative numbers are lesser than the orignal number..

Question No 13

0 , 1 , 4 , 9 , 16 , 25 , 36 , 49 , ?

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Solution!
Add 1, 3, 5, 7, etc..

Question No 14

Which number is the odd one out, 8, 27, 64, 100, 125, 216, 343

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Solution!
All others are perfect cube of any number but 100 is not the perfect cube of any number..

Question No 15

A goods train runs at the speed of 72 kmph and crosses a 250 m long platform in 26 seconds. What is the length of the goods train?

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Solution!
Speed = 72 * (5/18)m/s!= 20 m/s! !Time = 26 sec! !Let,!the length of the train be x metres! !Then,!(x+250)/26 = 20! !x + 250 = 520!x = 270.

Question No 16

If the number 481z673 is completely divisible by 9, what is the the smallest whole number in place of z?

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Solution!
Select answer from options! !4817673 is completely devisible by 9..

Question No 17

March 1st is Wednesday. Which month of the same year starts with the same day?

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Solution!
March has 3 odd days!April has 2 odd days!May has 3 odd days!June has 2 odd days!July has 3 odd days!August has 3 odd days!September has 2 odd days!October has 3 odd days! !Total 21 odd days. 21/7 = 0. So November has start with the same day..

Question No 18

If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, the time taken by 15 men and 20 boys in doing the same type of work will be

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Solution!
Let, 1 man's 1 day's work = x!and 1 boy's 1 day's work = y! !Then, 6x + 8y = 1/10!and 26x + 48y = 1/2! !Solving these two equations, we get!x = 1/100!and y = 1/200! !(15 men + 20 boy)'s 1 day's work = (15/100 + 20/200) = 1/4! !Hence, 15 men and 20 boys can do the work in 4 days..

Question No 19

Find the odd man out.

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Solution!
No answer description available for this question..

Question No 20

A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days?

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Solution!
Ratio of times taken by A and B = 100/130 = 10/13! !Suppose B takes x days to do the work.! !Then, 10/13 = 23/x!x = (23*13)/10!x = 299/10! !A's 1 day's work = 1/23! !B's 1 day's work = 10/299! !(A + B)'s 1 day's work = (1/23 + 10/299) = 23/299 = 1/13! !Therefore, A and B together can complete the work in 13 days..

Question No 21

Which one of the following is always with 'Bargain'?

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Solution!
No answer description available for this question..

Question No 22

One year ago, the ratio of Sooraj's and Vimal's age was 6/7 respectively. Four years hence, this ratio would become 7/8. How old is Vimal?

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Solution!
Let take the age of Sooraj and Vimal, 1 year ago as 6x and 7x respectively.! !Given that, four years hence, this ratio would become 7/8.! !(6x + 5)/(7x + 5) = 7/8!48x + 40 = 49x + 35!x = 5! !Vimal's present age = 7x + 1 = 7*5 + 1 = 36.

Question No 23

The angle between the minute hand and the hour hand of a clock when the time is 8:30, is ?

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Solution!
Angle traced by hour hand in 17/2 hrs = (360/12 * 17/2) = 255 degree! !Angle traced by minute hand in 30 min = (360/60 * 30) = 180 degree! !So, Required angle = (255 - 180) = 75 degree.

Question No 24

Management always involves

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Solution!
No answer description available for this question..

Question No 25

You are the son of my father's brother. What am I to you?

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Solution!
You are my uncle's child and I am your cousin..

Question No 26

INCUMBENT is to OFFICE as MONARCH is to..

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Solution!
No answer description available for this question..

Question No 27

A is two years older than B who is twice as old as C. The total of the ages of A, B and C is 27. How old is B?

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Solution!
Let the age of C = x.! !Then! !Age of B = 2x! !Age of A = 2 + 2x! !The total age of A,B and C =27! !(2+2x) + 2x + x = 27!5x = 25!B's age = 2x = 2 * 5 = 10.

Question No 28

The angle between the minute hand and the hour hand of a clock when the time is 4:20, is ?

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Solution!
Angle traced by hour hand in 13/3 hrs = (360/12 * 13/3) = 130 degree! !Angle traced by minute hand in 20 min = (360/60 * 20) = 120 degree! !So, required angle = 130 - 120 = 10 degree.

Question No 29

100 , 96.75 , 93.5 , 90.25 , 87 , ?

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Solution!
Deduct 3.25 each time..

Question No 30

What was the day of the week on 17th June, 1998?

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Solution!
17th June, 1998 = (1997 years + Period from 1.1.1998 to 17.6.1998)! !Odd days in 1600 years = 0! !Odd days in 300 years = (5 x 3) = 1! !97 years has 24 leap years + 73 ordinary years.! !Number of odd days in 97 years ( 24 x 2 + 73) = 121 = 2 odd days.! !From January to 17 June (31 + 28 + 31 + 30 + 31 + 17) = 168 days! !168 days = 24 weeks = 0 odd day.! !Total number of odd days = (0 + 1 + 2 + 0) = 3.! !Hence Given day is Wednesday..
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