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

#### Question No 1

When Kumar was 2 years old his brother was twice of his age. Now Kumar is 30 years old. How old his brother now?

Solution!
No explanation available for this question..

#### Question No 2

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative.
adb _ ac _ da _ cddcb _ dbc _ cbda

Solution!
The series is adbc acbd abcd dcba dbca cbda.
Thus, the letters equidistant from the beginning and the end of series are the same.
.

#### Question No 3

For a motor boat that cover A certain distance downstream in 2 hours and return 3 hours what would be its speed in still water if the speed of stream is equal 6 km per hour?

Solution!
Speed of boat in still water=y[(t1+t2)/(t1_t2)]km/hr
Speed of boat in still water=x=6[(3+2)/(3-2)]=30 km/hr
.

#### Question No 4

Find the word which is different from the rest

Solution!
No explanation available for this question..

#### Question No 5

Which word means the opposite of moderate?

Solution!
Moderate means average;excessive means extreme..

#### Question No 6

587 x 999 = ?

Solution!
587 x 999= 587 x (1000 - 1)
= 587 x 1000 - 587 x 1
= 587000 - 587
= 586413.
.

#### Question No 7

The total age of Ammy and Berry is 12 years more than the total age of Barry and Carol. Carol is how many years younger than Ammy.

Solution!
Given that a + b =12 + b + c
a-c = 12 + b-b =12,
c is younger than a by 12 years
.

#### Question No 8

The sum of the ages of son and father is 32. After 4 years the age of father will be 4 times that of his son's. What is the current age of Son?

Solution!
No explanation available for this question..

#### Question No 9

Idioms and phrases.
To count upon

Solution!
Discription is not available or for this question..

#### Question No 10

Which is False: (A) I fired at serpent's nose (B) I climbed up Mount Everest (C) I found a pearl at sea shore (D) I rode a lion and held his mane

Solution!
No explanation available for this question..

#### Question No 11

Choose or find odd number pair
(140 - 45) , (110 - 35) , (100 - 30) , (80 - 25)

Solution!
In all other pairs, 1st number-5/3 = 2nd number.
.

#### Question No 12

The ratio of two brothers John and Harry is 4 / 5 . However if the age of John before 10 years and that of Harry after 10 years than the original ratio is reversed. What is the age of Harry?

Solution!
let's John age =a and Harry age = b
Given that
a/ b =5 / 4
4 a=5 b
4a- 5b =0..... equation 1
and also given that
a - 10 / b + 10 =4 / 5
a5 - 50= 4b+40
5 a- 4b= 90 .......equation 2
By solving both equation
so, Harry is 40 years old.
.

#### Question No 13

Child is to family as student is to

Solution!
No explanation available for this question..

#### Question No 14

MOH, LOG, KOJ, JOI, IOL...?
What's next?

Solution!
There are two different series in group
middle one is contant.
1st letter is the
reverse series of M, L, K, J, I....
3rd letter is H-1=G, G+2=J,
J-1=I, I+2=2, L-1=K...
.

#### Question No 15

Kate is 12 year old. His age is 4 times the age of Robbie. Find age of Robbie.

Solution!
Let's
Robbie. X
according to conditions
4 x = 12
x = 12 / 4
x = 3
.

#### Question No 16

What is the 1/3 of 1/2 of 1/5 of 150.

Solution!
= 1/3 x 1/2 x  1/5 x 150
= 1/30 x 150
= 5
.

#### Question No 17

Mrs Smith it 8 year anniversary  more than twice the age of his son. The age of son is 12. Find the age of others.

Solution!
Age of Sun = 12
age of mother :8year more than twice the age of son
age of mother = 32
Age difference :20
.

#### Question No 18

UTSD, RQPF, ONMH, ___, IHGL.
Find the missing?

Solution!
1st three letter in each group in reverse series and
last letter in which one gap of alphabet in series.
.

#### Question No 19

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

Solution!
No explanation available for this question..

#### Question No 20

A family consists of six members P, Q, R, X, Y and Z. Q is the son of R but R is not mother of Q. P and R are a married couple. Y is the brother of R. X is the daughter of P. Z is the brother of P. Who is the brother-in-law of R?

Solution!
Q is the son of R but R is not the mother. So, R is the father of Q. P is married to R. So, P is the wife of R and the mother of Q. X is the 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. R is the husband of P and Z is the brother of P. So, Z is the brother-in-law of R..

#### Question No 21

Choose or find odd number
2384 , 1592 , 3756 , 4298 , 3629

Solution!
In all other numbers, the last digit is two times the first.
.

#### Question No 22

Which one of the following is a prime number ?

Solution!
551 > 22
All prime numbers less than 24 are : 2, 3, 5, 7, 11, 13, 17, 19, 23.
119 is divisible by 7; 187 is divisible by 11; 247 is divisible by 13 and 551 is divisible by 19.
So, none of the given numbers is prime.
.

#### Question No 23

What comes next in the series 25 , 12.5 , 20 , 10 , 15 , ?

Solution!
No explanation available for this question..

#### Question No 24

Anna had $20 to spend on seven pencils. After buying then she had$10 . How much did each pencil cost?

Solution!
Coat on pencils:
Total money - left money
24-10=14
Cost on seven pencils : 14
Cost on each pencil :
14/7=2
.

#### Question No 25

Find Odd one out:

Solution!
No explanation available for this question..

#### Question No 26

A delivery van leaves Selkirk and travels for 1.25 hours at an average speed of 50 metre per hour. How far will the Van have travelled?

Solution!
D=ST
D=50*1.25
D=62.5
.

#### Question No 27

There are two sisters where, Lily is younger than Mandy by 5 years. If the ratio of their ages is 3 :8. Find the age of Mandy?

Solution!
If Mandy age is X, then Lily age is X - 5,
so X - 5 / X =3 / 8
8 x- 40 = 3 x
5X= 40
X =8
so age of Lily is X - 5
8 - 5 = 3.
.

#### Question No 28

If you walk one and half hour on averageone and half hour on average speed of 4 miles per hour. How far you have walked?

Solution!
Distance=speed x time
Distance= 4*1.5= 6 miles
.

#### Question No 29

If 1 means 3 2 means 8 3 means 15 then 9 means?

Solution!
No explanation available for this question..

#### Question No 30

Susan is 3 years older than Tom. 2 years ago susan was twice as old as Tom. Find the difference of their ages.