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

Question No 1

11, 16, 26, ___, 86, 166.
Find the missing?

Solution!
Addition of 5, 10, 20, 40, 80 in series,
26+ 20=46
.

Question No 2

Complete the sequence: 1 , 4 , 3 , 16 , 5 , 36 , 7 , ?

Solution!
No explanation available for this question..

Question No 3

10â„5 , 10â„100 , 1000â„15 ,  20â„10000 ... What's next?

Solution!
zigzag series of multiple 5 and 10 by alternative  numerator
denominator  position.
.

Question No 4

What is (999 âˆ’ 99 + 9) Ã· 9?

Solution!
First work out the value of the expression in the brackets and then divide the result by 9. This gives (999 âˆ’ 99 + 9) Ã· 9 = 909 Ã· 9 = 101. Alternatively, we can first divide each number in the bracket by 9 and then evaluate the resulting expression. This gives (999 âˆ’ 99 + 9) Ã· 9 = (111 âˆ’ 11 + 1) = 101.
.

Question No 5

In following question, a number series is given with one term missing. Choose correct alternative
2 , 4 , 12 , 48 , 240 , x

Solution!
The terms are respectivly multiplied 2 , 3 , 4 and 5 to obtain the successive terms.
Missing term = 240 * 6 = 1440.

Question No 6

Which natural number is nearest to 8485, which is completely divisible by 75 ?

Solution!
No explanation available for this question..

Question No 7

What is the selling price of an article that was bought for \$1500 and sold it at a profit of5%. What is the percentage of profit?

Solution!
5% of 1500=1500*5/100
=75
S.p=1500+75=1575
.

Question No 8

In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options. 2Z5, 7Y7, 14X9, 23W11, 34V13, ?

Solution!
The first numbers in the terms follow the sequence + 5, + 7, + 9, + 11, + 13. The middle letters form the series Z, Y, X, W, V, U.
The last numbers from the series 5, 7, ,9 , 11, 13, 15.
.

Question No 9

Find the odd man out.

Solution!
No explanation available for this question..

Question No 10

On 9th September it was Wednesday. What was the day of week on 1st of September?

Solution!
No explanation available for this question..

Question No 11

Find the missing.
4, 7, __, 25, 49, 97, 193.

Solution!
Every number is multiplying by 2 and -1 gives next number in series..

Question No 12

My mother is the sister of your brother. How am I related to you?

Solution!
No explanation available for this question..

Question No 13

Which word means the opposite of tranish?

Solution!
Tarnish means to destroy the lustre of;
Shine means to make bright by polishing.
.

Question No 14

A family consists of six children naming P,Q,R,X,Y and Z. Q is the son R but R is not the mother of Q. P and R are married couples. Y is brother of R. X is the daughter of P. Z is the brother of P. How many children does P have?

Solution!
Q is the son of R but R is not the mother. So,P is married to R .  So, P is the wife of R and the mother of Q. X is daughter of P and hence of R and so she is the sister of Q. Y is the brother of R and Z is the brother of P. Clearly Q is the son of P and X is daughter of P. so, P has two children. .

Question No 15

3251 + 587 + 369 - ? = 3007

Solution!
3251+ 587 + 369 = 4207
Let 4207 - x = 3007
Then,  x = 4207 - 3007 = 1200.
.

Question No 16

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 17

When Anuj saw Manish, He recalled, "He is the son of the father of my daughter." Who is Manish?

Solution!
No explanation available for this question..

Question No 18

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative.
cab _ a _ c _ bc _ bc _ b _ ab

Solution!
The series is cab / cab / cab / cab / cab. Thus, the pattern cab is repeated.
.

Question No 19

Which one is odd?
G, I, A, C, M, N...?

Solution!
All are odd except N..

Question No 20

Choose or find odd word

Solution!
Here, all except Singhbhum are capitals of states of India.
.

Question No 21

Find sequence?
19869,98691,86919..?

Solution!
Shifting of one digit at left direction..

Question No 22

Find the word which is different from the rest

Solution!
No explanation available for this question..

Question No 23

All the 6 members of a family A.B.C.D.E.and F are  traveling together . B is the son or C but C is not the mother of  B ,A   and C are a married couple . E is the brother of C.D  is the daughter of A.F is the brother of B.
How many male members are there in the family?

Solution!
B is the son of C is not the mother of  B means C is the father of B.A is married to C means A is the mother of B .F is  brother 0f B means F is son of A and C.D is daughter of A means D is daughter A and C. A is the mother and hence female .B is the son and hence male. C is the husband and  hence female. D is the daughter and hence female. E is the brother and hence male. F is the son and hence male. So, there are four males..

Question No 24

11, 13, ___, 19, 23, 29.
Find the missing?

Solution!
All are prime numbers..

Question No 25

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 26

Find the odd one from the following:

Solution!
No explanation available for this question..

Question No 27

How old am I if 400 reduced by 4 times my age is 200?

Solution!
400 - 4 x 8 = 200
4 age = 400 - 200
Age = 200/ 4
Age= 50
.

Question No 28

Peter's mother has only one brother John. Peter is married with the daughter of his maternal uncle. John is ______ of Peter's wife?

Solution!
No explanation available for this question..

Question No 29

Choose or find odd pair of words
(Blacksmith : Anvil), (Carpenter : Saw), (Barber : Scissor), (Goldsmith : Ornaments), (Sculptor :Chisel)

Solution!
In all other pairs, second is the tool used by the first.
.

Question No 30

1.1, 4.8, 9.27, ___, 25.125?
Find the missing.