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

#### Question No 1

Tom is 7 years older than Jerry. In three  years Tom will be twice as old as Jerry. Find the present age of Tom.

Solution!
Let
J=x
T=x+7
Given condition:
x+7+3=2(x+3)
x+7+3=2x+6
x+10=2x+6
x=4
J=4       , T=11

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#### Question No 2

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. Who is the mother ?

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. Clearly, E is the mother.

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#### Question No 3

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
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#### Question No 4

A can swim, B can swim; A can't swim, B can't swim; A can't swim, B can swim. Then which of following could explain best their relationship:

Solution!
No explanation available for this question..

#### Question No 5

In one hour a Boat goes 10 km per hour along the stream and 2 km against the stream. Find the speed of boat in still Water?

Solution!
Speed in still water=1/2(10+2) km/hr
1/2(12)=6 km/hr

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#### Question No 6

Which word means the opposite of tranish?

Solution!
Tarnish means to destroy the lustre of;
Shine means to make bright by polishing.
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#### Question No 7

Berry is younger than alvin by 4 years. Is the ratio of their ages is 3:4, find the age of Alvin?

Solution!
if Alvin age is X, then berry age is  x- 4,
so x- 4 / x = 3 / 4
4 x-16 = 3 x
x = 16
so age of Alvin is 16.
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#### Question No 8

Which one is different from the other?

Solution!
No explanation available for this question..

#### Question No 9

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

Solution!
The series is cabbbb / cabbbb / cabbbb. Thus, the pattern cabbbb is repeated.
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#### Question No 10

In following alphabet series , one term missing as shown by question mark . Choose missing term from options.
A, Z, X, B, V, T, C, R, ?, ?

Solution!
The first, fourth and seventh letters are in alphabetical order. So, tenth letter would be the letter after C  i.e. D. Also, the second and third letters are alternate and in reverse order and so are the fifth and sixth letters and the eighth and ninth letters.
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#### Question No 11

A bike on electric battery is moving towards north. It's kick will be towards ______ side:

Solution!
No explanation available for this question..

#### Question No 12

5 men went to cinema. A sat at left of B, D sat behind A, C sat at right of D leaving a seat empty, E sat with C. Who was at south-west of B:

Solution!
No explanation available for this question..

#### Question No 13

Cost  price of a camera was \$498.8. It was sold at a profit of 16%. What was the sell price of the camera?

Solution!
16%of 498.8=16/100*498.8
=79.8
S.P=498.8+79.8
=578.6
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#### Question No 14

If the number 91876 * 2 is completely divisible by 8, then the smallest whole number in place of * will be:

Solution!
Then number 6x2 must be divisible by 8.
x = 3, as 632 is divisible 8.
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#### Question No 15

4.2, 16.4, 64.8, 100.10, 114.12
Find the missing.

Solution!
Before decimal number is the
square of after decimal  numbers.
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#### Question No 16

A test has 20 questions. If Anna gets 90% correct, how many questions did Anna missed?

Solution!
The number of correct answers is 90% of 20 or 90/100 x 20
90/100 x 20 = 18
Since the test has 20 questions and she got 18 correct answers, the number of questions she missed is 20-18=2
Anna missed 2 question.
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#### Question No 17

If  A+B means A is the son of B;
A - B means A is the husband of B;
A x B  means A is a sister of B,
then which of the following shows the relation Q is the maternal uncle of P?

Solution!
Option A
Q is the maternal uncle of P means P is the son of the sister of Q i.e
P is the Son  of the husband(say B)of the sister (Say R) of Q i.e( P + B - R x Q)
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#### Question No 18

Which one is odd?
A, B, D, I, P, Y

Solution!
All are square position Alphabets except B .

#### Question No 19

AR, DQ, HP, KO, ON, RM...?

Solution!
It is Alternatively series.
different of 2 and 3 Alternatively in first letter in group.
2nd letter is the reverse series of R, Q, P, O, N, M...
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#### Question No 20

Idiom and phrases.
Cheek the jowal

Solution!
Description is not available for this question..

#### Question No 21

Work hard, lest you _____ fail:

Solution!
No explanation available for this question..

#### Question No 22

A typist has speed of 47 WPM. How many words could he type in 0.25 hours:

Solution!
No explanation available for this question..

#### Question No 23

Which one is odd?
Y, U, W, Q, R, O...?

Solution!
All are odd except R..

#### Question No 24

Idiom and phrases
Ins and outs

Solution!

#### Question No 25

2 + 22 + 23 + ... + 29 = ?

Solution!
This is a G.P. in which a = 2, r =22/2= 2 and n = 9.
Sn =a(rn - 1)/ (r - 1) (2 - 1)=2 x (29 - 1)/(2-1)= 2 x (512 - 1)   = 2 x 511   = 1022.
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#### Question No 26

10% of 10% of a number is _____ of that number:

Solution!
No explanation available for this question..

#### Question No 27

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

Solution!
In all other pairs, (1st number)Â² Ã— = 2nd number.
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#### Question No 28

In following questions, one term in number series is incorrect.
Find out the incorrect number 2, 5, 10, 50, 500, 5000

Solution!
Each term of the series is the product of the preceding two terms.
So, 5000 is wrong and must br replaced by (50 * 500) i.e 25000..

#### Question No 29

At 12:30 the hour hand of a clock faces North and the minute hand faces South. At 1:45 the hour hand will be in direction

Solution!
No explanation available for this question..

#### Question No 30

Choose or find odd letter group
DE , PQ , TU , MO , FG