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

#### Question No 1

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 2

Choose the word that has same or nearly the same meaning of site.

Solution!
A site is the place occupied by something; opposition or location.

#### Question No 3

Choose or find odd number
21 , 39 , 51 , 63 , 83

Solution!
83 is the only prime number in the group.
.

#### Question No 4

4Ã—5+5Ã·5+4

Solution!
By using DMAS rule:
=4Ã—5+5Ã·5+4
=4Ã—5+1+4
=20+1+4
=20+5
=25
.

#### Question No 5

Kilogram : Mass :: _____ : Current

Solution!
No explanation available for this question..

#### Question No 6

Choose or find odd word
Curd, Butter, Oil, Cheese, Cream

Solution!
Here, all except Oil are products obtained from milk.
.

#### Question No 7

In a ship provisions are sufficient for 700 men for 50 days. How long  will these be sufficient for if  there would have been 200  more men?

Solution!
Let provision be sufficient for 200 men for x days
As men and days are inversely proportional to each other so,
X/50=700/1000
X=700/1000*50
X=35
.

#### Question No 8

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 9

Choose or find odd pair of words
(Malaria : Protozoa) , (Yeast : Fungi) , (Typhoid : Bacteria) , (Polio : Virus)

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

#### Question No 10

Defference :elder:: in difference:_____

Solution!
Difference is shown to another and Indifference is shown to a stranger..

#### Question No 11

If 1/8 of x is 6, What is the x?

Solution!
No explanation available for this question..

#### Question No 12

Health is to sickness as happiness is to

Solution!
No explanation available for this question..

#### Question No 13

The Cooking Club made some pies to sell at a basketball game to raise money for the new math books. The cafeteria contributed four pies to the sale. Each pies did the club make?

Solution!
The total number of pies was 60/5= 12.
The cafeteria contributed : 4
So, the club must have made 12-4=8
.

#### Question No 14

What is 47% of 400?

Solution!
No explanation available for this question..

#### Question No 15

Find the same relationship as Horns:Bull

Solution!
No explanation available for this question..

#### Question No 16

What will be remainder when 17200 is divided by 18 ?

Solution!
When n is even. (xn - an) is completely divisibly by (x + a)
(17200 - 1200) is completely divisible by (17 + 1), i.e., 18.
(17200 - 1) is completely divisible by 18.
On dividing 17200 by 18, we get 1 as remainder.
.

#### Question No 17

By selling a car for \$ 575 Alexander lost 12%. What was the cost price of car?

Solution!
Let the cost price of car is x.
15% of x is =15x/100=3x/20
Now
(3x/20)+575=x
3x+11500=20x
11500=20x-3x
11500=17x
x=11500/17
=676
.

#### Question No 18

Pointing to a photograph, a woman says," This man's son's sister is my mother in law". How is the woman's husband related to the man in the photograph?

Solution!
Blood relation analysis:
Man's son sister: man's daughter
So man's daughter is the mother of woman's husband. Thus, the woman's husband is the grandson.
So the woman's husband is the grandson of the man in photograph.
.

#### Question No 19

There are six persons A, B, C, D, E and F. C is the sister of F. B is the brother of E's husband. D is the father of A and grandfather of F. There are two fathers, three brothers and a mother in the group. How many male members are there in the group?

Solution!

Option (D)

D is father of A and grandfather of F. So, A is father of F. Thus, D and A are the two fathers. C is the sister of F. So, C is the daughter of A. Since there is only one mother, it is evident that E is the wife of A and hence the mother of C and C and F. So, B is brother of A. There are three brothers. So, F is the brother of C. A, the father, is male. B, the brother, is male. C, the sister, is female. D, the grandfather, is male. E, the mother, is female. F, the brother, is male. So, there are four males.

.

#### Question No 20

____: future:: historian: past.

Solution!
A seer looks into the future,and a historian looks into the past..

#### Question No 21

A car travels at 40 km/h for 3 hrs then 60 km/h for next 3 hrs. the average speed will be:

Solution!
No explanation available for this question..

#### Question No 22

4, 9, 16, 25, 27, 36â€¦
Which one is odd?

Solution!
All numbers are square except 27.

#### Question No 23

Find odd one out

Solution!
No explanation available for this question..

#### Question No 24

n is a whole number which when divided by 4 gives 3 as remainder. What will be the remainder when 2n is divided by 4 ?

Solution!
Let n = 4q + 3. Then 2n = 8q + 6   = 4(2q + 1 ) + 2.
Thus, when 2n is divided by 4, the remainder is 2.
.

#### Question No 25

Adina, Julius, and Tia volunteered to read to children at the public library. Julius worked 2 hours less then Tia. Adina worked twice as many hours as Julius. All together they worked 58 hours. How many hours did Adina work?

Solution!
If Tia  work :x hrs
Julius work :X - 2
Andera work :2 ( x -2)
then ,
X +( X - 2) + 2( X - 2) = 58
X = 16
Andera work: 2( x - 2)
2(16 -2) = 28 hours
.

#### Question No 26

Tina is 3 years younger than Tom. The age are in ratio of 2:3. Find the age of Tina.

Solution!
let's
Tom = x
Tina = x - 3
According to given the ratio: x- 3 / x = 2 / 3
3 (x- 3 )=2x
x = 9
.

#### Question No 27

40 years ago my age was 1/5 what it is now . what is my present age.

Solution!
Let my present age be x
Given that
X-40=1/5 x
200=5x-x
4x=200
X=50
.

#### Question No 28

. In following alphabet series , one term missing as shown by question mark . Choose missing term from options.
eac, gce, ieg, ?

Solution!
The first letters of the terms are alternate and so are the second and third letters.
.

#### Question No 29

32% of 25 is

Solution!
No explanation available for this question..

#### Question No 30

100 bananas are bought at the rate of 350 and sold at the rate of  45 rupees per dozen. The percentage of profit or loss is?