IQ Test, Mental Aptitude, Logical Reasoning & Mathematical Tests

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Question No 1

What is the angle between the hands of a clock at 4:20 pm?

Select the correct answer

0 degree 10 degree 20 degree 30 degree

Solution!
At 4:20 hour hand is nearly at 4 but not perfectly at 4.
Minute hand is at 4

If both hands are at 4 then angle is 0 degree.

Hour hand move 1/2 degree in one minute.

In 20 Minutes hour hand will move 1/2 * 20 = 10 degree

Hence, Angle between hands is 0 + 10 = 10 degree.

Question No 2

The sum of the ages of two children is 12 and their product is 32. The age of elder one is

Select the correct answer

2 3 4 8

Solution!
Let age of younger child is x and age of elder child is y.

Given that
x+y = 12 ...(1)

and
xy = 32
x = 32/y

Put value of x in equation(1)
(32/y)+y = 12
32+(y^2) = 12y
(y^2)-12y+32 = 0
(y^2)-8y-4y+32 = 0
y(y-8)+4(y-8) = 0
(y-8)(y+4) = 0
y = -4 (impossible)
or
y = 8

Hence age of elder child is 8 years..

Question No 3

A train is travelling at the speed of 25m/s. In what time will it pass a man sitting on a platform if length of the train is 225 meters?

Select the correct answer

8 sec 9 sec 10 sec 11 sec

Solution!
Speed = v = 25m/s
Length of train = L = 225m

Time = t = L/v
t = 225/25 = 9

Hence train will pass the man in 9 seconds..

Question No 4

A train is running at the speed of 70 km/h. How far will it travel in 2.5 hrs?

Select the correct answer

140km 155km 170km 175km

Solution!
Speed = v = 70 Km/h
Time = t = 2.5h
Distance = S = v*t = 70*2.5 = 175Km.

Question No 5

A's son B is married with C whose sister D is married to E the brother of B. How D is related to A?

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Sister Daughter's-in-law Sister-in-law Cousin

Solution!
Since E is the brother of B

Therefore, A is the father of E

but D is the wife of E.

Hence, D is the daughter-in-law of A..

Question No 6

If a amount of $120 is divided among A and B in the ratio 1/2 then A will get?

Select the correct answer

$30 $40 $60 $80

Solution!
A will get half amount which B got.So if A's amount is 40, B's amount will be 80 (double of A's amount)..

Question No 7

A takes twice as much time as B or thrice as much time as C to finish a piece of work.Working together,they can finish the work in 2 days.B can do the work alone in

Select the correct answer

4 days 6 days 8 days 12 days

Solution!
Suppose A, B and C take x, x/2, x/3 days respectively to finish the work.

Then,
(1/x + 2/x + 3/x) = 1/2
6/x = 1/2
x=12

So, B takes (12/2) = 6 days to finish the work..

Question No 8

Melt is to Liquid as Freeze is to?

Select the correct answer

Ice Condense Solid Force

Solution!
As on melting, liquid is formed similarly on freezing solid is formed..

Question No 9

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

Select the correct answer

$575 $600 $625 $650

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 10

What is Synonym of COGENCY ?

Select the correct answer

grace competence prestige force

Solution!
No answer description available for this question..

Question No 11

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

Select the correct answer

64 67 62 72

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

Question No 12

If A $ B means A is the brother of B; A / B means A is the wife of B; A # B means A is the daughter of B and A * B means A is the father of B, which of the following indicates that U is the father-in-law of P?

Select the correct answer

P / Q $ T # U * W P / W $ Q * T # U P / Q $ W * T # U P / Q $ T # W * U

Solution!
(1) P / Q = P is the wife of Q

(2) Q $ T = Q is the brother of T

T # U = T is the daughter of U

Hence,
(3)Q is the son of U

U * W = U is the father of W.

From (1) and (3), U is the father-in-law of P..

Question No 13

If 1/2 x year ago A was 12 and 1/2 x years from now he will be 2x years old, how old will he be 3x years from now?

Select the correct answer

18 24 30 54

Solution!
Given that
A-(1/2)x = 12
2A-x = 24 ...(1)
and
A+(1/2)x = 2x
A+(1/2)x-2x = 0
A+(x-4x)/2 = 0
A-(3/2)x = 0
2A-3x = 0 ...(2)
By simultaneously solving equation(1) and (2) we have
x = 12
and
A = 18

Now
3x = 3*12 = 36

After 3x years A will be
18+36 = 54 years old.

Question No 14

Find the odd man out.

Select the correct answer

Colt Doe Aunt Lass

Solution!
No answer description available for this question..

Question No 15

A is 3 years older to B and 3 years younger to C, while B and D are twins. How many years older is C to D?

Select the correct answer

2 3 6 12

Solution!
C is 3 years older to A and A is 3 years older to B which has same age as D

So, C is 3+3 = 6 years older to D..

IQ Test, Mental Aptitude, Logical Reasoning & Mathematical Tests

5 Minutes Test

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Question No 1

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Question No 2

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Question No 10

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