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

#### Question No 1

There are a total of 42 computers . Each computer runs one of three operating systems: OSX ,Windows ,Linux .The ratio  of the computers running OSX ,Windows, Linux  is 2:5:7. Find the number of computers that are running each of the operating systems.

Solution!
Let's x is the ratio between them
Then,
2x+ 5 x + 7 x = 42
14 x = 42
x = 42 / 14
X = 3
2 x = 2 ( 3) = 6 OSX
5 x = 5 ( 3) = 15 Windows
7 x = 7 x(3) = 21 Linux
.

#### Question No 2

Mend : sewing : : edit : _____

Solution!
One fixes sewing by mending; one fixes manuscript by editing..

#### Question No 3

BklmV, DxyzT, FmnoR, HijkP...?
What's next?

Solution!
First letter in series in Ascending order is by skip 1.
B, D, F, H, J....
Last letter in series in Descending order is skip 1.
V, T, R, P, N....
.

#### Question No 4

___, VEV, THR, RKN, RKN, PNJ, NQ
Find the missing?

Solution!
There is three different series in group.
!st letter in each group with gap of 1 in reverse order.
2nd letter in each group with gap of 2.
#rd letter in each group with gap of 3 in reverse order.
.

#### Question No 5

All the six members of a family A. B. C. D. E and F are travelling together. B is the son of C but C is not the mother of B, A and C are married couple. E is the brother of C. D is the daughter of A.F is the brother of B. How many children does A have?

Solution!
B is the son of C but C is not a mother of B means C is the father of B. A is the married to  C means A is the mother of B. F is the brother of B means F  is son of A and C. D is daughter of A means D is daughter  A and C.A has son B,son F and daughter D i. e. ,three children..

#### Question No 6

Carpenter:Saw ::

Solution!
No explanation available for this question..

#### Question No 7

Complete the Given Series
Which number replace question mark in the series 7, 12, 19, ?, 39.

Solution!
Clearly, the given sequence follows the pattern:
+5, +7, +9 ... i.e., 7 + 5 = 12, 12 + 7 = 19, ... .
So Missing Number = 19 + 9 = 28.

#### Question No 8

7 - 3 + 6Ã·2-?=0

Solution!
7 - 3 + 6 Ã· 2 -7=0
7 - 3 + 3 - 7=0
7 - 7=0
0=0
.

#### Question No 9

Which word is the opposite of bleak?

Solution!
To be bleak is to dreary;to be bright is to be brilliant..

#### Question No 10

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 statement is not definitely true.

Solution!
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 11

The unit digit in the product (784 x 618 x 917 x 463) is:

Solution!
Unit digit in the given product = Unit digit in (4 x 8 x 7 x 3) = (672) = 2.
.

#### Question No 12

Bell and Stacy are two sisters. The sum of the ages of Stacy and Bell is 80. Before ten years from now, Bell age was twice as stacy's age. How old is Elder sister now?

Solution!
1st Condition:
B+S=80.......(1)
2nd Condition:
2S-B=10...........(2)
By solving these equation:
B=50 and S=30
.

#### Question No 13

___, IPC, LTY, PWT, UYN, AZG.
Find the missing?

Solution!
The given series is a mixed series.
Pattern for the first letter:
G+1=I, I+2=L, L+3=P, P+4=U, U+5=A
Pattern with gaps for the second letter:
K+5=P, P+4=T, T+3=W, W+2=Y, Y+1=Z
Pattern for the third letter:
F-2=C, C-3=Y, Y-4=T, T-5=N, N-6=G,
.

#### Question No 14

All the 6 members of a family A.B.C.D.E.and F are  traveling together . B is the son or C but C is not the mother of  B ,A   and C are a married couple . E is the brother of C.D  is the daughter of A.F is the brother of B.
How many male members are there in the family?

Solution!
B is the son of C is not the mother of  B means C is the father of B.A is married to C means A is the mother of B .F is  brother 0f B means F is son of A and C.D is daughter of A means D is daughter A and C. A is the mother and hence female .B is the son and hence male. C is the husband and  hence female. D is the daughter and hence female. E is the brother and hence male. F is the son and hence male. So, there are four males..

#### Question No 15

ox__o__x__oox__o

Solution!
Three times of oxxo is using consecutively..

#### Question No 16

In following alphabet series , one term missing as shown by question mark . Choose missing term from options.
ejo, tyd, ins, xch, ?

Solution!
There is a gap of four letters between the first and second, the second and third letters of each term, and also between the last letter of a term and the first letter of the next term.
.

#### Question No 17

Atif is notified by a policeman from a distance of 200 m. The thief starts running and the police man chases him. The thief and the policeman run at the rate of 10 km and 11 km per hour respectively ,what is the distance between them after 6 minutes?

Solution!
Relative speed of thief and policeman=(11-10)km/hr=1 km/hr.
Distance covered in 6 minutes=[(1/60)*6]km=(1/10)km=100m.
Distance between the thief and the policeman=(200-100)m=100m.
.

#### Question No 18

10-19+50-49 = ?

Solution!
No explanation available for this question..

#### Question No 19

Find the odd man out

Solution!
No explanation available for this question..

#### Question No 20

If P +Q means P is husband  of Q.
P/Q means P is  the sister of Q and
P x Q means P is the son of Q,
which of the following shows A is the daughter of B?

Solution!
A is the daughter of B means A is the sister of  the son (say D) of B i.e.A/DÃ—B..

#### Question No 21

In a 100m race a once with a speed of 1.66 metre per second. If a give a start of 4 minute to be and still beats him by 12 seconds. What is the speed of B?

Solution!
Time taken by a to cover hundred metres =60 seconds
Since a gives a start of 4 minutes then time taken by b =72 seconds
B takes 72 second to cover 96 meters
speed of B =96 / 8
72 = 1.33 meter per second.
.

#### Question No 22

A man's age is three times his son in 10 years it will be doubled that of his son. How old is son now?

Solution!
Let's son age =x
Man's age =2x
Given that
3x+10=2(x+10)
3x+10=2x+20
x=10
.

#### Question No 23

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

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

#### Question No 24

A B C D E F G H I What letter is three to right of letter immediately to the left of the letter which is five to the left of H:

Solution!
No explanation available for this question..

#### Question No 25

âˆš 25

Solution!
No explanation available for this question..

#### Question No 26

,XWV, TSR, PON, ___, HGF, DCB.
Find the missing.

Solution!
In reverse series skip 1 Alphabet after consecutive 3 Alphabets. .

#### Question No 27

Find the odd man out.

Solution!
No explanation available for this question..

#### Question No 28

9 , 3 , 1 , 1/3... What will be the sum of 5th and 7th term?

Solution!
No explanation available for this question..

#### Question No 29

In following questions, one term in number series is incorrect. Find out the incorrect number
105, 85, 60, 30, 0, -45, -90

Solution!
The sequence is - 20, - 25, - 30,...
So, 0 is wrong and must be replaced by (30 - 35) i.e. -5.

#### Question No 30

1, 1/2, 1/4, 1/8, 1/16, .... Common ratio will be: