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

#### Question No 1

If  A+ B means A is the sister of B.
A - B means A is the brother of B.
A x  B means A is the daughter of B.
Which of the following shows the relation that E is the maternal uncle of D?

Solution!
Clearly, E is the maternal uncle of D means D is the daughter of sisters (say  F) of E.i .e.
D x F+E.
.

#### Question No 2

_____: cut:: flowers: bloom

Solution!
Flowers refers to bloom;excise refers to cut..

#### Question No 3

1, 3, 9, 27, ____, 243
Find the missing.

Solution!
Series of 30,31 ,32 ,33 ,34 ,35 ...    .

#### Question No 4

Whatâ€™s comes next?
50.81, 61.80, 72.79, 83.78â€¦?

Solution!
wo different series of before and after decimal point.
Before decimal: 50, 61, 72, 83, 94 (Addition of 11).
After decimal: 81, 80, 79, 78, 77(Difference of 1).

.

#### Question No 5

What comes next in the series 11/22 , 2/3 , 33/44 , 4/5 , ?

Solution!
No explanation available for this question..

#### Question No 6

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

Solution!
All are odd except N..

#### Question No 7

20 apples are divided among 4 children in ratio of 1:2:3:4. How many apples 4th child will get?

Solution!
No explanation available for this question..

#### Question No 8

Choose or find odd pair of words
(Proteins : Marasmus) , (Sodium : Rickets) , (Iodine : Goiter) , (Iron : Anemia)

Solution!
In all other pairs, second is the disease caused by the deficiency of first.
.

#### Question No 9

In following alphabet series , one term missing as shown by question mark . Choose missing term from options.
Z, U, Q, ?, L

Solution!
The first, second, third,... letters of the series are respectively moved one, two, three,... steps forward to obtain the successive terms..

#### Question No 10

Find the missing?
5+4Ã—?-5=20

Solution!
5+4Ã—5-5=20
5+20-5=20
20=20
.

#### Question No 11

Find the wrong number in the series:
3, 8, 15, 24, 34, 48, 631

Solution!
The difference between consecutive terms of the given series are respectively 5, 7, 9, 11 and 13.Clearly, 34 is a wrong number and must be replaced by (24 + 11) i.e. 35.

#### Question No 12

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 13

Find the odd man out

Solution!
No explanation available for this question..

#### Question No 14

How many minutes are there in 1/12 of a day?

Solution!
There are 24 hours in a day. 24 divided by 12 = 2. And in 2 hours there are 120 minutes.
.

#### Question No 15

Find sequence?
19869,98691,86919..?

Solution!
Shifting of one digit at left direction..

#### Question No 16

In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.    ?, ayw, gec, mki, sqo

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

#### Question No 17

If x and y are positive integers such that (3x + 7y) is a multiple of 11, then which of the following will be divisible by 11 ?

Solution!
By hit and trial, we put x = 5 and y = 1 so that (3x + 7y) = (3 x 5 + 7 x 1) = 22, which is divisible by 11.
(4x + 6y) = ( 4 x 5 + 6 x 1) = 26, which is not divisible by 11;
(x + y + 4 ) = (5 + 1 + 4) = 10, which is not divisible by 11;
(9x + 4y) = (9 x 5 + 4 x 1) = 49, which is not divisible by 11;
(4x - 9y) = (4 x 5 - 9 x 1) = 11, which is divisible by 11.
.

#### Question No 18

A motorcycle is purchased in $2500 and sold in$3500. Profit will be:

Solution!
No explanation available for this question..

#### Question No 19

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

Solution!
All numbers are square except 27..

#### Question No 20

How many times hour and minute hands meet each other in a day

Solution!
No explanation available for this question..

#### Question No 21

A revolver has 2 bullets. If one bullet is fired, then what are the chances that next fire has a bullet:

Solution!
No explanation available for this question..

#### Question No 22

If the number is divisible by 102, then it is also divided by

Solution!
No explanation available for this question..

#### Question No 23

What is the unit digit in 7105 ?

Solution!
Unit digit in 7105 = Unit digit in [ (74)26 x 7 ]
But, unit digit in (74)26 = 1
Unit digit in 7105 = (1 x 7) = 7
.

#### Question No 24

854 x 854 x 854 - 276 x 276 x 276/ = ?
854 x 854 + 854 x 276 + 276 x 276

Solution!
(a3 - b3)= (a - b)/ (a2 + ab + b2)
= (854 - 276) = 578
.

#### Question No 25

3,33,5,30,7,27,9,_,11,21,13,18.
Find missing number?

Solution!
Two alternative series
Even position:33,30,27,24...subtraction of 3.
.

#### Question No 26

An article was bought for \$300 and sold at a loss of 5% what is the selling price of the article?

Solution!
5% of 300
=(300*5)/100=15
S.p =300-15=285
.

#### Question No 27

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 28

Choose or find odd pair of words
(Aphid : Paper) , (Moth : Wool) , (Termite : Wood) , (Locust : Plant)

Solution!
In all other pairs, first is the insect which damages the second.
.

#### Question No 29

Ice is to melt as water is to

Solution!
No explanation available for this question..

#### Question No 30

Choose or find odd number pair
(5 - 50) , (8 - 128) , (11 - 242) , (15 - 375)