Preperation of Ten Minute Test

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Question No 1

C's mother was four times as old as C ten years ago. After 10 years she will be twice as old as C is now. How old C is now?

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Solution!
Let C's present age is x and his mother's age is y.! !Given that!y = 4(x-10)!y = 4x-40!4x-y = 40 ...(1)! !and!y+10 = 2x!2x-y = 10 ...(2).! !By simultaneously solving equation(1) and equation(2) we find! x = 15! !Hence C is 15 years old..

Question No 2

A and B are sisters. C and D are brothers. A is the mother of D, what is the relation of B to C.

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Solution!
As A is mother of D so A is also mother of C because C and D are brothers.! !B is sister of A which means B is Aunt of both C and D..

Question No 3

How much is 25% of $200?

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Solution!
25 * (200/100) = $50! !Or!200 / 4 = $50.

Question No 4

The day that will come two days after tomorrow will be Thursday. What was the day that Dawned two days before yesterday.

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Solution!
As the day, two days after tomorrow is Thursday so tomorrow is Tuesday and today is Monday and yesterday was Sunday. Hence the day two days before yesterday was Friday..

Question No 5

What is smallest integer greater than 1 that leaves remainder 1 when it is divided by 5 or 8?

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Solution!
40 is the least common multiple of 5 and 8 so 41 will be the smalles integer that leaves 1 when it is divided by 5 or 8..

Question No 6

100 , 96.75 , 93.5 , 90.25 , 87 , ?

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Solution!
Deduct 3.25 each time..

Question No 7

Two trains are moving in opposite directions at speed of 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively. The time taken by the slower train to cross the faster train is

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Solution!
Relative speed = (60+ 90) km/hr!= 150 * (5/18)m/s!= (125/3)m/s! !Distance covered = (1.10 + 0.9) km = 2 km = 2000 m! !Hence, Required time = 2000(3/125) = 48 seconds.

Question No 8

A and B can do a job together in 7 days. A is 7/4 times as efficient as B.The same job can be done by A alone in

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Solution!
(A's 1 day's work) / (B's 1 day's work) = 7/4! !Let A's and B's 1 day's work be 7x and 4x respectively.! !Then,!7x + 4x = 1/7!11x = 1/7!x = 1/77! !Hence, A's 1 day's work = (1/77 * 7) = 1/11.

Question No 9

Race is to Fatigue as Fast is to?

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Solution!
As the result of Race is Fatigue similarly the result of Fast is Hunger..

Question No 10

If A + B means A is the mother of B; A - B means A is the brother B; A % B means A is the father of B and A x B means A is the sister of B, which of the following shows that P is the maternal uncle of Q?

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Solution!
P - M = P is the brother of M! !M + N = M is the mother of N! !N x Q = N is the sister of Q! !Therefore, P is the maternal uncle of Q..

Question No 11

A man can row at 5 kmph in still water. If the velocity of current is 1 kmph and it takes him 1 hour to row to a place and come back, how far is the place?

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Solution!
Speed downstream = (5 + 1) kmph = 6 kmph! !Speed upstream = (5 - 1) kmph = 4 kmph! !Let the required distance be x km.! !Then,! x/6 + x/4 = 1!2x + 3x = 12!5x = 12! !Hence, x = 2.4 km.

Question No 12

A man was accompanying a girl, on being asked who the girl was the man said, "Her father was the only son of my father". What was the girl to man?

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Solution!
If I am a boy and I am only son of my father it means I am talking about myself.! !Same is the case here man is father of the girl..

Question No 13

A mirror always

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Solution!
No answer description available for this question..

Question No 14

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

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

Question No 15

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 16

A mother's age after 5 years, will be twice the age of her daughter. The difference of their ages is 19. What is the age of mother?

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Solution!
Let present age of daughter is x and present age of mother is y.! !Given that!y+5 = 2(x+5)!y+5 = 2x+10!5-10 = 2x-y!y-2x = 5 ...(1)! !and also given that!y-x = 19 ...(2)! !By simultaneously solving equation(1) and equation(2) we can find!y = 33! !Hence mothers present age is 33 years..

Question No 17

A farmer bought a cow for Rs. 14000 and sold it for Rs. 15400. Find his profit percentage.

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Solution!
Profit = 15400 - 14000 = 1400! !Profit percentage = (1400/14000)*100 = 10%.

Question No 18

A man rowing a boat covers an average distance of 7.5 km/h. What is the distance covered after 40 minutes?

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Solution!
Distance covered in 60 minutes = 7.5 Km!Distance covered in 1 minute = 7.5/60 = 1/8 Km! !Distance covered in 40 minutes = (1/8)*40 = 5 Km.

Question No 19

Which of the following is not a leap year?

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Solution!
The century divisible by 400 is a leap year.! !So, The year 600 is not a leap year..

Question No 20

15 weavers can weave some length of cloth in 1 hr. 24 minutes. How many more weavers are required to do the same job in 60 minutes?

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Solution!
x/15 = 84/60! !x = (84/60)*15 = 21! !So 21 - 15 = 6 more weavers are required to do the same job in 60 minutes..

Question No 21

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 22

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..

Question No 23

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 24

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 25

Choose the word which is different from the rest.

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Solution!
All except Feathers are organs for movement in different organisms..

Question No 26

A father is 3 years older than 3 times the age of his son. If the sum of their ages is 31 years, how old was father 3 years ago?

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Solution!
Let present age of son is x and present age of father is y.! !Given that!y = 3x+3 ...(1)! !and!x+y = 31!x = 31-y! !Put value of x in equation(1)!y = 3(31-y)+3!y = 93-3y+3!4y = 96!y = 24! !Three years ago!y = 24-3!y = 21! !Hence father was 21 years old 3 years ago..

Question No 27

A can do a certain work in the same time in which B and C together can do it.If A and B together could do it in 10 days and C alone in 50 days,then B alone could do it in

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Solution!
(A + B)'s 1 day's work = 1/10! !C's 1 day's work = 1/50! !(A + B + C)'s 1 day's work = (1/10 + 1/50) = 6/50 = 3/25...(1)! !A's 1 day's work = (B + C)'s 1 day's work .... (2)! !From (1) and (2), we get!2 * (A's 1 day's work) = 3/25! !A's 1 day's work = 3/50! !So, B's 1 day's work (1/10 - 3/50) = 2/50 = 1/25! !Hence, B alone could do the work in 25 days..

Question No 28

Exercise is to gym as eating is to..

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Solution!
A gym is a place where people exercise.A restaurant is a place where people eat..

Question No 29

2+2*2?

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Solution!
2 + (2 * 2) = 6! !Multiplication is performed first and subtraction afterwards.! !Sequence of solving operators is!/!*!+!-.

Question No 30

Find the odd man out.

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Solution!
All remaining have 5 vowels..
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