IQ Test, Mental Aptitude, Logical Reasoning & Mathematical Tests

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Question No 1

The sum of the present ages of a mother and daughter is 63. Three years back if the age of the mother was double that of the daughter, then the present age of the daughter is

Select the correct answer

21 years 24 years 22 years 15 years

Solution!
Let mother's present age is x and daughters present age is y! !Given that!x+y = 63 ...(1)!and! !x-3 = 2(y-3)!x-3 = 2y-6!x-2y = -6+3!x-2y = -3 ...(2)! !By simultaneously solving equation(1) and equation(2) We'll find!y = 22! !Hence present age of the daughter is 22 years..

Question No 2

A can do a piece of work in 4 hours; B and C together can do it in 3 hours,while A and C together can do it in 2 hours.How long will B alone take to do it?

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8 hours 10 hours 12 hours 24 hours

Solution!
A's 1 hour's work = 1/4! !(B + C)'s 1 hour's work = 1/3! !(A + C)'s 1 hour's work = 1/2! !(A + B + C)'s 1 hour's work = (1/4 + 1/3) = 7/12! !B's 1 hour's work = (7/12 - 1/2) = 1/12! !Hence, B alone will take 12 hours to do the work..

Question No 3

7/21 in lowest term is?

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1/3 7/21 14/42 None of these

Solution!
7/21 = 1/3.

Question No 4

REASON is to SFBTPO as THINK is to?

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SGHMJ UIJOL UHNKI UJKPM

Solution!
As,!R + 1 = S!E + 1 = F!A + 1 = B!S + 1 = T!O + 1 = P!N + 1 = O! !Similarly,!T + 1 = U!H + 1 = I!I + 1 = J!N + 1 = O!K + 1 = L.

Question No 5

25 tailors can make 35 dresses in 1 day. How many dresses can 6 tailors make in 5 days?

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35 42 30 45

Solution!
Let x dresses can be made.!As dresses are directly proportional to tailors and days so!x/35 = (6/25)*(5/1)!x = 42! !Hence 42 dresses can be made by 6 tailors in 5 days..

Question No 6

A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?

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40 sec 42 sec 45 sec 48 sec

Solution!
Formula for converting from km/hr to m/s is!X km/hr = x * (5/18)m/s! !Therefore,!Speed = 45 * (5/18) = 25/2 m/s! !Total distance to be covered = (360 + 140) m = 500 m! !Formula for finding Time = (Distance/Speed)! !Hence, Required time = (500*2)/25!= 40 seconds.

Question No 7

My mother is sister of your brother. What am I to you?

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Cousin Nephew Uncle Brother

Solution!
"My mother is sister of your brother" you are brother of my mother and I am your nephew..

Question No 8

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

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0 degree 10 degree 5 degree 20 degree

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 9

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

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Nephew Uncle Father Brother-in-law

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

Question No 10

Ornithologist is to Bird as Archealogist is to?

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Islands Mediators Archealogy Aquatic

Solution!
As Ornithologist is a specialist of Birds similarly Archealogist is a specialist of Archealogy..

Question No 11

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

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64 67 62 72

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

Question No 12

Which one of the following is always found in factories?

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Chimney Workers Electricity Sellers

Solution!
No answer description available for this question..

Question No 13

A boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream, it takes 4 hours. What is the speed of the boat in still water?

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4 km/hr 10 km/hr 6 km/hr 8 km/hr

Solution!
Rate downstream = (16/2)km/h = 8 km/h! !Rate upstream = (16/4)km/h!= 4 km/h! !Hence, Speed in still water = 1/2(8+4)km/h = 6 km/h.

Question No 14

The ratio of the ages of two friends A and B is 3/2. However if the age of A is decreased by 10 and that of B is increased by 10 then the original ratio is reversed. Age of A is

Select the correct answer

20 25 30 50

Solution!
Given that!A/B = 3/2!2A = 3B!2A-3B = 0 ...(1)! !and also given that!(A-10)/(B+10) = 2/3!3A-30 = 2B+20!3A-2B = 50 ...(2)! !By simultaneously solving equation(1) and equation(2)!A = 30! !Hence age of A is 30 years..

Question No 15

Which one of the following is always associated with 'justice'?

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Hypocrisy Legitimate Magnanimity Diminutiveness

Solution!
No answer description available for this question..

IQ Test, Mental Aptitude, Logical Reasoning & Mathematical Tests

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