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

Daily Test



Question No 1

Look at this series: 31, 29, 24, 22, 17, . . .
What number should come next?

Select the correct answer


Solution!
This is a simple alternating subtraction series, which subtracts 2, then 5.
Rule = (first number - 2), (second number - 5), (third number - 2), (fourth number - 5)...
Now The series is 31, 29, 24, 22, 17, . . .
(31 - 2 = 29), (29 - 5 = 24), (24 - 2 = 22), (22 - 5 = 17), (17 - 2 = 15)...
So the answer is 15..

Question No 2

Excluding stoppages the speed of a taxi is 70 kilometre and including stoppages it is 55 km per hour. For how many minutes does the text is stops per hour?

Select the correct answer


Solution!
Due to stoppages it cover 15 km less
Time taken to cover 15 km=(15/70)*60=12.8=13
.

Question No 3

0, 3, 10, ??, 36, 55, 78...

Select the correct answer


Solution!
No explanation available for this question..

Question No 4

In following number series, either one term is missing or is incorrect.
Choose correct answer from options 1, 5, 14, 30, 55, 93

Select the correct answer


Solution!
The correct sequence is + 4, + 9, + 16, + 25, + 36 i.e. + 22, + 32, + 42, + 52, + 62.
So, 93 is wrong and should be replaced by (55 + 36) i.e. 91..

Question No 5

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

Select the correct answer


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

Question No 6

What is the 1/4 of 1/3 of 1/5 of 540.

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Solution!
=1/4 x 1/3 x 1/5 x 540
=1/60 x 540
=9
.

Question No 7

What comes next in the series 30 , 52 , 74 , 96 , ?

Select the correct answer


Solution!
No explanation available for this question..

Question No 8

In following questions, one term in number series is incorrect.
Find out the incorrect number
56, 72, 90, 110, 132, 150

Select the correct answer


Solution!
The numbers are 7 * 8, 8 * 9, 9 * 10, 10 *11, 11 * 12, 12 * 13.
So, 150 is wrong and must be replaced by (12 * 13) i.e. 156..

Question No 9

She is daughter of my only son's brother. She is my _____:

Select the correct answer


Solution!
No explanation available for this question..

Question No 10

If 9, 18, 36, 72,... is a sequence. Then 9(2^n) will be its term:

Select the correct answer


Solution!
No explanation available for this question..

Question No 11

If it takes 5 hours to drive a distance of 200 km on a motorway. What would be your every speed in kilometre per hour?

Select the correct answer


Solution!
Speed= distance/Time
Speed=200/5=40 
.

Question No 12

16, 8,___ 12, 36, 18, 54, 27, 81
Find the missing?

Select the correct answer


Solution!
It is Alternative series of divided by 2 and multiply by 3.
16/2=8, 8x3= 24, 24/2=12, 12x3=36, 
36/2=18, 18x3=54, 54/2=27, 27x3=81.
.

Question No 13

2-2-2*2 is equal to

Select the correct answer


Solution!
No explanation available for this question..

Question No 14

106 x 106 - 94 x 94 = ?

Select the correct answer


Solution!
106 x 106 - 94 x 94= (106)2 - (94)2
11236-8836=2400.
.

Question No 15

____:nine:: pentagon:five

Select the correct answer


Solution!
A nanogo  is a polygon with nine sides and a pentagon is a polygon with five sides..

Question No 16

Find odd one out.
Imn, fgh, bcd, ___, rqr.
  

Select the correct answer


Solution!
All are consonant only mno have  vowel..

Question No 17

How many minutes are there in 1/12 of a day?

Select the correct answer


Solution!
There are 24 hours in a day. 24 divided by 12 = 2. And in 2 hours there are 120 minutes.
.

Question No 18

Tiger:Eagle ::

Select the correct answer


Solution!
No explanation available for this question..

Question No 19

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?

Select the correct answer


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 20

 E is the son of A.

D is the son of B.

E is married to C.

C is B's daughter.

How is D related to E?


Select the correct answer


Solution!

Option (D)

 C is B's daughter and D is B's son. So, D is the brother of C.

E is a male married to C. So, E is the husband of C,

Whose brother is D. So, D is the brother-in-law of E.

.

Question No 21

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 _ bc _ a _ bcda _ ccd _ bcd _

Select the correct answer


Solution!
The series is aabcd / abbcd / abccd / abcdd.
Thus, a, b, c and d are repeated twice one by one.
.

Question No 22

Choose or find odd word
Poland, Greece, Spain, Italy, Korea

Select the correct answer


Solution!
Here, all except Korea are European countries, while Korea is an Asian country.
Hence, the answer is (e).
.

Question No 23

An athlete covers a distance of 200m in 3 mins 20 sec at a speed of 1 m/s. A fat old man can cover the same distance at 1 m/s in

Select the correct answer


Solution!
No explanation available for this question..

Question No 24

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?

Select the correct answer


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

.

Question No 25

Work hard, lest you _____ fail:

Select the correct answer


Solution!
No explanation available for this question..

Question No 26

A car is moving towards a static truck with speed 14m/s. If distance between truck and car is .07 km then in how many time, car strikes with truck:

Select the correct answer


Solution!
No explanation available for this question..

Question No 27

In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.      shg, rif, qje, pkd, ?

Select the correct answer


Solution!
The first and third letters of each term are moved one step backward and the second letter is moved one step forward to obtain the corresponding letters of the next term.
.

Question No 28

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 _ bc _ c _ abb _ bca _

Select the correct answer


Solution!
The series is aa / b / cccc / a / bbbb / c / aa.
.

Question No 29

A family consists of six members P, Q, R, S, T and U. There are two married couples. Q is a doctor and the father of T. U is grandfather of R and is a contractor. S is grandmother of T and is a housewife. There is one doctor, one contractor, one nurse, one housewife and two students in the family.What is the profession of P?


Select the correct answer


Solution!
Option (B)
Q, the Doctor, is the father of T. S, the Housewife, is the grandmother of T and hence the mother of Q. Since there are only two married couples one being that of Q, the grandfather of R i.e., U must be married to S. Thus, R and T will be both children of Q and these must be the students. So, P, who remains, shall be the wife of Q and she alone can be the nurse. Thus, U must be the contractor. P is the nurse.

.

Question No 30

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 then the original ratio is reversed. What is the age of John?

Select the correct answer


Solution!
John age is = a and harry= b
given that a /b = 5 / 4
4a= 5 b
 4a - 5b= 0.... Equation 1
and also given that a - 10 / b + 10 = 4 / 5
5 a- 50 = 4 b + 40
5a - 4 b = 90.... Equation 2
 by solving both equation
 a = 50
.
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