# IQ Contest, Daily, Weekly & Monthly IQ & Mathematics Competitions

#### Question No 1

If the number 1a3 is divisible by 3. What is a?

Solution!
No explanation available for this question..

#### Question No 2

Protactor:angle ::ruler:_____

Solution!
A protector is used to measure an angle ,and ruler is used to measure length..

#### Question No 3

The present ages of Lewis and Brown is 1:2. Three years from now their ages be in ratio 3:5. Find the age of Brown after 5years?

Solution!
Let
Brown=b
Lewis=l
Present ages be b/l=1:2
2l-b=0....eq(1)
After three years l+3/b+3=3:5
5l-3b=6
By resolving eq
b=12
l=6
After 5 years l= 11
b=17

.

#### Question No 4

2, 9, ___, 65, 126
Find the missing.

Solution!
(13 )+1, (23  )+1, (33  )+1,( 43  )+1, (53  )+1.... Is given series..

#### Question No 5

In following question, A number series is given with one term missing. Choose the correct alternative
9 , 12 , 11 , 14 , 13 , x , 15

Solution!
Alternately we add 3 and subtract 1. Thus,
9 + 3 = 12, 12 - 1 = 11, 11 + 3 = 14
and so on. Missing number = 13 + 3 = 16..

#### Question No 6

In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.
QPO, SRQ, UTS, WVU, ?

Solution!
Each term in the series consists of three consecutive letters in reverse order. The first letter of each term and the last letter of the next term are the same.
.

#### Question No 7

A bus moves towards West, then turned right and moves 5 km and then turned right and moves 3 km, then take a U-turn, Now his door faces:

Solution!
No explanation available for this question..

#### Question No 8

P , Q , S , T , V , ?

Solution!
No explanation available for this question..

#### Question No 9

In following questions, one term in number series is incorrect.
Find out the incorrect number 46080, 3840, 384, 48, 24, 2, 1

Solution!
The terms are successfully divided by 12, 10, 8, 6,....
So, 24 is wrong and must be replaced by (48 / 6) i.e. 8..

#### Question No 10

8^m = 32 then m=?

Solution!
No explanation available for this question..

#### Question No 11

Son : sun : : _____ : sew

Solution!
Son is a homophone for sun , and so is a homophone gor sew..

#### Question No 12

What comes next in the series CZ , EX , GW , ?

Solution!
No explanation available for this question..

#### Question No 13

Which one is odd?
J, B, D, H, E, H, F...?

Solution!
All are even number except E..

#### Question No 14

Pointing to a photograph, a man said, I have no brother or sister but that man's father is my father's son.
Whose photograph was it?

Solution!
Since the narrator has no brother, his father's son is he himself.
So, the man who is talking is the father of the man in the photograph or the man in the photograph is his son.
.

#### Question No 15

Choose the word that has same or nearly the same meaning of croone.

Solution!
To croone means to vocalize or to sing..

#### Question No 16

Speed of train is 50 meters per second. It crosses a pole in 30 seconds. What is the length of the train?

Solution!
Length of train =speed x time
=50 *30
=1500m
.

#### Question No 17

Mr. A walks 100 yards straight from his house which is facing north. Then he walks 200 yards in the reverse direction. Then he turns left and walks 100 yards. In which direction is Mr. A from his original position?

Solution!
No explanation available for this question..

#### Question No 18

Forest cannot be completed without:

Solution!
No explanation available for this question..

#### Question No 19

What comes next in the series 10 , 19 , 28 , 37 , ?

Solution!
No explanation available for this question..

#### Question No 20

Pointing to a man in photograph, a woman said, His brother father in the only son of my grandfather.  How is the woman related to the man in the photograph?

Solution!
Blood relation analysis.
Only son of women grandfather= woman father
Man's brother father =man father
so woman is man's sister
.

#### Question No 21

2 + 8 + 8 Ã· 2 x 4

Solution!
By Applying DMAS rule :
= 2+8 +8 Ã· 2 x 4
= 2+8+4x4
= 2+8+16
=26
.

#### Question No 22

Find the next number in the following sequence:
2, 5, 10, 17, 26...?

Solution!
Each term is 1 more than a square. That is, the pattern is given by:
n = 1, 2, 3, 4, 5
n2 = 1, 4, 9, 16, 25
n2+1 = 2, 5, 10, 17, 26
So, the nth term is given by n2 + 1. Then the sixth term is:
n2+1 = 36 + 1 = 37.

#### Question No 23

In following number series, either one term is missing or is incorrect.
Choose correct answer from options 2, 3, 5, 8, 13, 34

Solution!
Clearly, each term of the series is the sum of the preceding two terms.
Now 8 + 13 = 21 and 13 + 21 = 34.
So, the term 21 is missing..

#### Question No 24

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative.
ba _ b _ aabb _ a _ _ a _ bb

Solution!
The series is baab / baab / baab / baab / b. Thus, the pattern baab is repeaated
.

#### Question No 25

4, 9, 16, 25, 26, 36...
Which one is odd?

Solution!
All numbers are square except 27..

#### Question No 26

The present age of three persons are in proportion 4:7:9. Eight years ago the sum of their ages is 76. Find their present ages?(in years)

Solution!
Let the present ages be 4x,7x,9x years respectively.
Then (4x-8)+(7x-8)+(9x-8)=76
20x=100
x=100/20
x=5
There present ages be 20,35,45 years respectively.
.

#### Question No 27

3, 10, 17, ___, 31
Find the missing.

Solution!

#### Question No 28

If( A )P + Q means P is the brother of Q.
(B)PÃ—Q means P is the father of  Q.
(C)P-Q means P is the sister of Q.
which of the following  represents  S is the niece of T?

Solution!
S is the niece of T is the brother  of the father  (say M) of S i.e.T+MÃ—S..

#### Question No 29

Choose or find odd word
Calf, Cub, Piglet, Duckling, Hireling

Solution!
Here, all except Hireling are young ones of animals.
.

#### Question No 30

The sum of Ages of jhonny and today is 50. Find years ago, Charlie age was three times as jhonny age. How old are Johnny now?

Solution!
1st condition
J + C = 50... Equation 1
2nd condition
3J - 5 = C - 5
3J - 3 = 10... Equation 2
by solving the equation
J = 15 and C = 35
.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30