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

Question No 1

On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is:

Solution!
By hit and trial, we find that
47619 x 7 = 333333.
.

Question No 2

It takes 5 hours to drive a distance of 265 km on a motorway what would be your average speed in kilometre per hour?

Solution!
Speed=distance/time
Speed=265/5=53
.

Question No 3

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. a _ cdaab _ cc _ daa _ bbb _ ccddd

Solution!
The series is abca / aabbccdd / aaabbbcccddd.
Thus, each letter of first sequence is repeated two times in the second sequence and three times in the third sequence.
.

Question No 4

If you rearrange the letters "GLDNENA" you would have the name of a(n):

Solution!
No explanation available for this question..

Question No 5

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

Solution!
Gangly means tall, thin,and awkward;lanky..

Question No 6

Salesman, engineer and accountant. There are two married couple in the family. D, the salesman is married to the lady teacher. The doctor is married to the lawyer. F, the accountant is the son of B and brother of E. C, The lawyer is the daughter  in law of A.  E is the unmarried engineer. A is the grandmother of F. How is D related to F?

Solution!
C the daughter in law of A who is the Grand Mother of  F Means  C is the mother of F. But  F is the son of  . So, B is C's husband. But C, the  lawyer, is married to the doctor. So, B is the doctor. F, the accountant, will be the song of B and C. E is the unmarried engineer. So the other married couples can be that of grandmother of F i .e. A and D. But D, the salesman is married to the lady teacher. So, D, the salesman, father of F, father of B and the husband of A, the lady teacher. D is grandfather of f..

Question No 7

A man roaring a Boat covers an average distance of 10 km/ hr. What is the distance after 20 minutes?

Solution!
Distance covered in 60 minutes=10
Distance covered in 1 minute=10/60
Distance covered in 20 minutes=10/60*20
= 3.3 m
.

Question No 8

The ages of Ashley and Mary are in the ratio 4:7. The sum of their ages is 22. Find the age of Ashley?

Solution!
given condition: a/ m = 4 / 7
7 a- 4 m =0 .....equation 1
a+m=22 ......equation 2
by solving equation
a=8 ,m = 14
.

Question No 9

The present ages of three persons is 4:7:9. Eight years ago the sum of their ages be 76 years. Find their present age.?

Solution!
Let their present ages be 4x,7x,9x years respectively.
Then (4x-8)+(7x-8)+(9x-8)=76
20x=100
x=5
Their present ages be 20,35,45.
.

Question No 10

Find the same relationship as Mason:Cement

Solution!
No explanation available for this question..

Question No 11

X1Y1Z1,  X1Y1Z2, X1Y2Z2, ___, X2Y2Z3

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

Question No 12

Find odd man out:

Solution!
No explanation available for this question..

Question No 13

In following alphabet series , one term missing as shown by question mark . Choose missing term from options.
W, V, T, S, Q, P, N, M, ?, ?

Solution!
The letters are alternately moved one and two steps backward to obtain the successive terms..

Question No 14

your father said "I have four daughters"  but you said " I have three sisters ". Who is correct.

Solution!
Both are correct.  I have three sisters means she is excluded herself ..

Question No 15

Choose or find odd pair of words
(Blacksmith : Anvil), (Carpenter : Saw), (Barber : Scissor), (Goldsmith : Ornaments), (Sculptor :Chisel)

Solution!
In all other pairs, second is the tool used by the first.
.

Question No 16

Father in law of Aliya's mother's sister's daughter's husband is _____ of Aliya:

Solution!
No explanation available for this question..

Question No 17

Choose or find odd word
Book, Paper, Pencil, Pen, Sharpener

Solution!
Here, all except Book are stationery items.
.

Question No 18

A+B means A is the son of B;
A-B means A is the wife of B;
AxB means A us the brother of B;
AÃ·B means A is the mother of B; and
A=B means A is the sister of B.

What does P=RÃ·Q means?

Solution!
P=RÃ·Q means P is the sister of R who is the mother of Q i.e. P is the aunt of Q..

Question No 19

There are 6 persons A B C D E and F. C is the sister of F.B  is the brother of E' husband. D is the father of  A and grandfather of F . There are two fathers three brothers and a mother in the group. Who is E' husband?

Solution!
D is father of A and grandfather of F. So,  A is father of F. Thus, D andbA 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. Clearly, A  is E's husband..

Question No 20

If the number 42573 * is exactly divisible by 72, then the minimum value of * is:

Solution!
72 = 9 x8, where 9 and 8 are co-prime.
The minimum value of x for which 73x for which 73x is divisible by 8 is, x = 6.
Sum of digits in 425736 = (4 + 2 + 5 + 7 + 3 + 6) = 27, which is divisible by 9.
Required value of * is 6.
.

Question No 21

There are 5 red balls, 6 green balls, 3 blue balls and 1 yellow ball in bag.
After how many balls out there is a chance of 1 red ball is out.

Solution!
Because 1st 10 balls can b all green, blue and yellow than 11th one is confirm red..

Question No 22

Find the odd man out

Solution!
No explanation available for this question..

Question No 23

Ratio of me and my brother's salary is 1:3, and me and my cousin's is 2:1. What will be combined ratio of salaries of me, my brother and my cousin:

Solution!
No explanation available for this question..

Question No 24

A and B are married couple. X and Y are brothers. X is the brother of A. How is Y related to B?

Solution!
A and B are husband and wife. Since X and Y are brothers, and X is the brother of A, Y is also the brother of A. Thus, Y is the brother in law of B..

Question No 25

Kilogram : Mass :: _____ : Current

Solution!
No explanation available for this question..

Question No 26

Give the sum: -1+1-1+1-1+1... up to 93 terms:

Solution!
No explanation available for this question..

Question No 27

If A works for 3 hrs daily and B for 5 hrs, then work will be done in 15 days. If A works for 5 hrs then how many hours B has to work to complete it in 12 days?

Solution!
No explanation available for this question..

Question No 28

Choose or find odd number pair
(13 - 21) , (19 - 27) , (15 - 23) , (16 - 24)

Solution!
All other pairs consist of odd numbers only.
.

Question No 29

The left is discovered at 7:30 A.M and police run behind him at the speed of 70 km per hour. Find at what time we will be caught?

Solution!
Creep cover distance in one hour=50 km
Time taken by police to cought him=50/70-50=2.5 hrs
7:30 A.M + 2.5 hours= 10 A.M
.

Question No 30

Find the same relationship as Sand:Mud