# IQ Test, Mental Aptitude, Logical Reasoning & Mathematical Tests

### Test Report

#### Question No 1

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

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 2

Choose the word which is different from the rest.

Solution!
All except Sitar are wind instruments, while sitar is a string instrument..

#### Question No 3

If 7th of the month falls two days after Wednesday. What day of the week will precede the 18th of month?

Solution!
On 7th the day is Friday. On 17 (day before 18) there will be Monday.

#### Question No 4

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

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

#### Question No 5

If A + B means A is the brother of 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 means M is the uncle of P?

Solution!
M + K = M is the brother of K! !K % T = K is the father of T! !T x P = T is the sister of P! !Therefore, K is the father of P and M is the uncle of P..

#### Question No 6

CRITERIA is to DATA as CRITERION is to..

Solution!
No answer description available for this question..

#### Question No 7

A shopkeeper expects a gain of 22.5% on his cost price. If in a week, his sale was of Rs. 392, what was his profit?

Solution!
C.P. = (100/122.5) * 392!= (1000/1225) * 392!= Rs. 320! !Hence, Profit = Rs. (392 - 320) = Rs. 72..

#### Question No 8

The last day of a century cannot be ...

Solution!
100 years contain 5 odd days.! !So, last day of 1st century is Friday.! !200 years contain (5 x 2) = 3 odd days.! !So, Last day of 2nd century is Wednesday.! !300 years contain (5 x 3) = 15 = 1 odd day.! !So, Last day of 3rd century is Monday.! !400 years contain 0 odd day.! !So, Last day of 4th century is Sunday.! !This cycle is repeated.!Hence Last day of a century cannot be Tuesday or Thursday or Saturday..

#### Question No 9

David can swim at the speed of 30 km/h in still water and speed of water is 4 km/h. What is his speed of swimming against the direction of water?

Solution!
David's speed in still water = u = 30 Km/h!Speed of water = v = 4 Km/h!David's swimming speed against water = u-v = 30-4 = 26 Km/h.

#### Question No 10

A trader mixes 26 kg of rice at Rs. 20 per kg with 30 kg of rice of other variety at Rs. 36 per kg and sells the mixture at Rs. 30 per kg.His profit percent is

Solution!
C.P. of 56 kg rice = (26 x 20 + 30 x 36) = (520 + 1080) = Rs. 1600! !S.P. of 56 kg rice = Rs. (56 x 30) = Rs. 1680! !Hence, Gain = (80/1600)*100 = 5%.

#### Question No 11

Yesterday I saw an ice cube which had already melted due to heat of a nearby furnace.

Solution!
Since the ice cube had already melted due to the heat of a nearby furnace so after this ice cannot remain as ice cube..

#### Question No 12

The age of father 10 years ago was thrice the age of his son. Ten years hence, father's age will be twice that of his son. What is the ratio of their present ages?

Solution!
Let the age of the son before 10 years = x!and age of the father before 10 years = 3x! !Now we can write as (3x + 20) = 2(x + 20)!x = 20! !Age of Father the son at present = x + 10!= 20 + 10 = 30! !Age of the father at present = 3x + 10!= 3 * 20 + 10 = 70! !Required ratio = 70/30 = 7/3.

#### Question No 13

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?

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 14

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

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

#### Question No 15

The sum of the ages of a son and a father is 64. After 4 years the age of father will be three times that of his son's. The age of father is

Solution!
Let present age of son is x and present age of father is y.! !Given that!x+y = 64 ...(1)! !and!y+4 = 3(x+4)!y+4 = 3x + 12!y-3x = 8 ...(2)! !Put value of x from equation(1) in equation(2)! !y-3(64-y) = 8!y-192+3y = 8!4y = 200!y = 50! !Hence present age of the father is 50 years..

#### Question No 16

2+2*2?

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

#### Question No 17

what is Synonym of ESPOUSAL ?

Solution!
No answer description available for this question..

#### Question No 18

A number is thrift if it is a multiple of 2 or 3. How many thrift numbers are there between 0 and 15?

Solution!
Thrift numbers between 0 and 15 are following! !2,3,4,6,8,9,10,12,14.

#### Question No 19

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

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

#### Question No 20

DEVANGIRI is to CYRILLIC as HINDI is to..

Solution!
No answer description available for this question..

#### Question No 21

If selling price is doubled, the profit triples. Find the profit percent.

Solution!
Let! C.P. be Rs. x and S.P. be Rs. y.! !Then,! 3(y - x) = (2y - x)!y = 2x! !Profit = Rs. (y - x) = Rs. x! !Profit % = (x/x)*100 = 100%.

#### Question No 22

A man can row 4.5 km an hour in still water but takes twice as long to row up a stream as down it. What is the rate of stream in km/h?

Solution!
Let rate of stream (speed of water) is x.!Man's speed in still water = u = 4.5 Km/h! !Given that!4.5+x = 2(4.5-x)!4.5+x = 9-2x!3x = 4.5!x = 1.5! !Hence rate of stream is 1.5 Km/h.

#### Question No 23

Find the odd man out.

Solution!
Belongs to dolphin family..

#### Question No 24

Introducing a man, a woman said, "He is the only son of the mother of my mother." How is the woman related to the man?

Solution!
The man is the only son of the mother of the woman.! !Hence, the man is the maternal uncle of the woman.! !So, the woman is the niece of the man..

#### Question No 25

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

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

#### Question No 26

An accurate clock shows 8 o'clock in the morning. Through how many degrees will the hour hand rotate when the clock shows 2 o'clock in the afternoon?

Solution!
Angle traced by the hour hand in 6 hours = (360/12)*6 = 180 degree.

#### Question No 27

2012 January 1st is Sunday,then which day is the Indian Independence day of the same year.

Solution!
30+ 29+ 31 + 30 + 31 + 30 + 31+15 = 227/7 = reminder = 3! !So, Independence day is Wednesday..

#### Question No 28

100 , 96.75 , 93.5 , 90.25 , 87 , ?

Solution!
Deduct 3.25 each time..

#### Question No 29

7/21 in lowest term is?

Solution!
7/21 = 1/3.

#### Question No 30

If P $Q means P is the brother of Q; P # Q means P is the mother of Q; P * Q means P is the daughter of Q in A # B$ C * D, who is the father?