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

#### Question No 1

Sherry's math test had 100 problems, 40 arithmetic, 30 algebra, 30 geometry problems. Although he answered 30% of arithmetic, 40% of algebra and 70% of geometry problems correctly, still he got less then 50% marks. How many more questions he would have to answer more to get passed.

Solution!
Arithmetic: 30% of 40 = 12
Algebra : 40% of 30 = 12
Geometry : 70% of 30=21
Total correct = 12+12+21=45
50-40=5 marks needed to pass.
.

#### Question No 2

In following number series, two terms have been put within brackets. Choose the appropriate option
Choose the appropriate option 4, 6, 10, (12), 16, (14), 22

Solution!
The correct sequence is + 2, + 4, + 2, + 4,...
Clearly, the term 12 is correct.
But, 14 is wrong and must be replaced by (16 + 2) i.e. 18..

#### Question No 3

4, X, 16 in a sequence such that ratio between consecutive terms is same. Then X=?

Solution!
No explanation available for this question..

#### Question No 4

Ana is 5 years more than Jack. The sum of their ages is 29. Find the age of Jack.

Solution!
let's
Jack= X
Ana= 5 + x
so, X + 5+ X=29
X = 29
Ana = 17 and jack = 12
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#### Question No 5

Katherine's father's mother's grand-daughter is _____ of Katherine:

Solution!
No explanation available for this question..

#### Question No 6

The passenger train takes 2 hours less for a journey of 300 km if it's speed is increased by 5 kilometre per hour from its normal speed. The normal speed is:

Solution!
Let the normal speed be "S" kilometre/hour
New speed=(S+5) km/ hr
(300/s)-2=300/(s+5)
On solving this equation we get:
S=25 km/hr.
.

#### Question No 7

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

Solution!
The series is abc / bca / cab / abc. Thus, the letters are written in a cyclic order.
.

#### Question No 8

There are some books on the shelf where 15 are cookbooks. 30% are cooks books then how many total books on the shelf?

Solution!
If 30% are cooks books then 30/100=3/10
Our equation is:
15/x = 3 /19
x = 150/30
So, 50 are total books on shelf.
.

#### Question No 9

Choose or find odd number pair
(18 - 45) , (16 - 40) , (14 - 28) , (8 - 20)

Solution!
In all other pairs, 2nd number = 1st number Ã— 2.5.
.

#### Question No 10

O, T, T, F, F, S, S....

Solution!
Series contains counting of
1st letter of one, two, Three, Four....Eight.
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#### Question No 11

Finds next?
1â„125 , 8â„16 , 27â„9 , 64â„4 ....?

Solution!
In numerator is cubes ans denominator is revers square
of 1,2,3,4,5. So, cube of 5 is 125 and square of 1 is 1.
.

#### Question No 12

What is the 4% of 1000?

Solution!
No explanation available for this question..

#### Question No 13

A horse is fleeing at speed of 20m/s. in 1 hour, he would cover:

Solution!
No explanation available for this question..

#### Question No 14

My house is facing north direction. If am standing in front of my house at a time of sunset and looking towards house sun will be on my

Solution!
No explanation available for this question..

#### Question No 15

B's mother is the only daughter of D's father. How is D related to C?

Solution!
No explanation available for this question..

#### Question No 16

Find the missing?
5+4Ã—?-5=20

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

#### Question No 17

K is the brother of N and X. Y is the mother of N and Z is the father of K.

Which of the following statements is not definitely true?

Solution!

Option (D)

K is the brother of N and X. So, Y, who is the mother of N and Z, who is the father of K, will be mother and father of all three. However, it is not mentioned whether N is male or female.

.

#### Question No 18

Kevin is who is 17 year old and his grandfather who is 71 year old have the same birthday.  In how many years will grandfather be twice as old as  kevin?

Solution!
Let's x is year add in both age's .
Kevin :X + 17
grand father: X + 71
when grandfather be twice as old as kevin.
2( X +1 7) = X + 71
X = 37
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#### Question No 19

Determin if the ratio 1.5 :5 is equal to?

Solution!
1.5 : 5
1.5 x 4 = 5 Ã—4
6:20
Only 6 : 20 is correct option.
.

#### Question No 20

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

Solution!
No explanation available for this question..

#### Question No 21

A man saves 11% of his total income of Rs. 1200. He spends

Solution!
No explanation available for this question..

#### Question No 22

3, -6, 12, -24... common ratio is:

Solution!
No explanation available for this question..

#### Question No 23

Pick the odd one out

Solution!
No explanation available for this question..

#### Question No 24

The ages of two friends Julie is twice older than ketty. However if the age of Julie before 20 years that of ketty after 20 years then Ketty age is twice then Julie. What is age of Ketty?

Solution!
let's Julie age = a    ketty age = b
given that a + b = 2 / 1
a=2b,
a - 2b = 0.... Equation 1
and also given that (a - 20 )/ (b + 20) = 1/2
2a- 40 =b + 20
2 - 20 = 60....eauation 2
by solving both equation
B = 20
so, ketty is 20 years old.
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#### Question No 25

What comes next in the series 0 , 7 , 12 , 15 , 16 , 15 , ?

Solution!
No explanation available for this question..

#### Question No 26

The sum of multiples of 5 from 0 to 100 is:

Solution!
No explanation available for this question..

#### Question No 27

4.5, 8, 11.5, 15,___, 22
Find the missing.

Solution!

#### Question No 28

A person covers 108 km in 3 hours. What is his speed in metre per second?

Solution!
108 km= 108*1000
=108000
3 hours =3*60"60=10800 sec
Speed= Distance/ Time
Speed= 108000/10800
Speed= 10 m/s
.

#### Question No 29

Phil Tom's father. Phil is 35 old years old. Three years ago, phil was 4 times as old as his son was then. How old is Tom now?

Solution!
P=35
P - 3 = 4(T- 3)
35 - 3=4(T- 3)
32 =4(T- 3)
8 = T- 3
T = 8 + 3 = 11
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#### Question No 30

FGH, JKL, NOP, RST...?
What's next?