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

#### Question No 1

If x% of why is hundred and y% of z is 500, then find the relation between x and z.

Solution!
It is, y% of z = 5(x% of x)
Becomes      y z/ 100=5xy/100
Becomes                  z=5x
.

#### Question No 2

Bob's cousin's father is Bob's:

Solution!
No explanation available for this question..

#### Question No 3

Find the odd man out

Solution!
No explanation available for this question..

#### Question No 4

What comes next in the series -19, -15, -10, -4, 3....

Solution!
No explanation available for this question..

#### Question No 5

A can complete a work in 20 days. B can complete the same task in 15 days. B worked for 10 days and left the job. In how many days A alone can complete the work?

Solution!
B:s 10 days work=(1/15)*10
=2/3
Remaining work=(1-2/3)=1/3
Now,1/20 work is done by A in 1 day.
Hence ,1/3 work is done by A in (20*1/3)=6.6
.

#### Question No 6

27, 64, 121, 125, 216, 343â€¦
Which one is odd?

Solution!
All the numbers are cube of numbers except 121.

#### Question No 7

If a+b=9 and ab=10 then 2a+2b = ?

Solution!
No explanation available for this question..

#### Question No 8

Police is chasing a car and distance between them is decreasing at the rate of 15 m/s. If the speed of car is 40 m/s then what would be police's speed:

Solution!
No explanation available for this question..

#### Question No 9

susan is 3 years older than Tom. 2 years ago Susan was twice as old as Tom. Find the present age of Susan.

Solution!
let's
t = x
S= x + 3
given condition
2(x - 2) = X + 3 - 2
x - 4 = x + 1
x = 5
Tom = 5
Susan= 8
.

#### Question No 10

In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options. C4X, F9U, 116R, ?

Solution!
The first letter of each term is moved three steps forward and the last letter is moved three steps backward to obtain the corresponding letters of the next term.
.

#### Question No 11

Value of house decreases from 50000 rupees to 45000 rupees.what is the percentage decrease?

Solution!
Decrease in the value of house=50000-45000=5000
Percentage decrease=(5000/50000)*100=10%
.

#### Question No 12

The ages of three sisters are in proportion  6x,7x,8x. After six years the sum of their ages is 50. Find their present ages?

Solution!
Let their present ages be 6x,7x,8x.
Then , (6x+6)+(7x+6)+(8x+6)=50
21x+18=50
21x=50-18
21x=32
x=2
So, their present ages be 12,14,16.
.

#### Question No 13

Find the odd one out

Solution!
No explanation available for this question..

#### Question No 14

Look at this series: 1000, 200, 40, ...
What number should come next?

Solution!
This is a simple division series.
Each number is divided by 5.
Rule = (1st number / 5 = 2nd number), (2nd number / 5 = 3rd number),...
Now in our case,
(1000 / 5 = 200), (200 / 5 = 40), (40 / 5 = 8)...

#### Question No 15

Which word means opposite of craving?

Solution!
Craving means Desire; revulsion means aversion..

#### Question No 16

John's father is 27 years older than him and his brother Bob is 3 years younger than him. The age difference between Bob and his father is:

Solution!
No explanation available for this question..

#### Question No 17

5, 5, ___, 30, 120, 600
What's next?

Solution!
Given series is 5x1=5, 5x2=10, 10x3=30, 30x40=120....is given series..

#### Question No 18

A man has lost in a jungle. He wants to go to South. He fixed a stick on ground and noticed that its shadow is increasing towards his left. Where he should go to reach his destination?

Solution!
No explanation available for this question..

#### Question No 19

Which is heavier?

Solution!
No explanation available for this question..

#### Question No 20

M1N1O1, M1N1O2, M1N2O2, _____, M2N2O3.

Solution!
Number series is: 111, 112, 122, 222, 223, 233, 333....

#### Question No 21

Choose or find odd word
Cathedral, Mosque, Church, Monastery, Temple

Solution!
All except Monastery are places of worship, while monastery is a place where monks stay.
.

#### Question No 22

The cost price of 10 articles is exactly the same as that of selling price of x articles. If profit is 25%, then value of x is ?

Solution!
C.p of each article is 1 and c.p of x article is x.
S.p of x articles is=10
Profit=RS.(10-x)
So,
(10-x)/x*100=25
1000-100x=25x
125x=1000
Hence=8
.

#### Question No 23

In the series 7, 14, 28, ...,
what will be the 10th term?

Solution!
Clearly, 7 x 2 = 14,
14 x 2 = 28, ... so on.
So, the given series in a G.P. in which a = 7 and r = 2.
So 10th term = ar(10 - 1) = ar9 = 7 x 29 = 7 x 512 = 3584.

#### Question No 24

A train is moving with a speed 40 m per minutes. How far it will travel in 50 minutes?

Solution!
Distance= Time x speed
= 50*40
=2000
.

#### Question No 25

PKC,  SPF, XSK, AXN, FAS....?
What's next?

Solution!
The given series ia a mixed series.
Pattern for the first letter.
P+3, S+5, X+3, A+5, F+3, I
Pattern fir the second letter:
K+5, P+3, S+5, X+3, A+5, F
Pattern gor third letter:
C+3, F+5, K+3,:N+5, S+3
.

#### Question No 26

8^m = 32 then m=?

Solution!
No explanation available for this question..

#### Question No 27

A & B eat banana and mango, A & E eat orange and mango, C & B eat apple and orange, C & D eat mango and apple. Which fruit is eaten most?

Solution!
No explanation available for this question..

#### Question No 28

In following number series, two terms have been put within brackets. Choose the appropriate option
Choose the appropriate option (2), 5, (12), 25, 41, 61

Solution!
The correct sequence is + 4, + 8, + 12, + 16, + 20.
Clearly, 2 is wrong and must be replaced by (5 - 1) i.e. 4.
Also, 12 is wrong and should be replaced by (5 + 8) i.e. 13..

#### Question No 29

GAP, SIP, HEN, DOT...?
what's next?

Solution!
Series of vowel between constant..

#### Question No 30

What comes next?
50,81,61,80,72,79,83,78..?