How many rectangles can be formed out of a chess board ?
1740
1230
1296
204
Quiz Recommendation System API Link  https://fresherbellquizapi.herokuapp.com/fresherbell_quiz_api
#  Quiz 

1
Discuss

From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least three men are in the committee. In how many ways can it be done?
Solution 
2
Discuss

It is required to seat 5 boys and 4 girls in a row so that the girls occupy the even places. How many such arrangements are possible?
Solution 
3
Discuss

Find the probability that a leap year selected at random will contain 53 Sundays
Solution 
4
Discuss

A person tosses an unbiased coin. When head turns up, he gets Rs.8 and tail turns up he loses Rs.4. If 3 coins are tossed, what is probability that he gets a profit of Rs.12?
SolutionPerson will get profit of Rs 12 only when there is 2H (Head) and 1T (Tail) H + H + T = 12 8 + 8 + (4) = 12 Total outcome of 2 head and 1 tail = 2^{3} = 8 i.e (T, H, TH, HT, HH, HHT, HTH, THH) Total event with 2H and 1 T is 3 therfore probability = 3/8 
5
Discuss

12 person are seated at a round table. Number of ways of selecting 2 persons not adjacent to each other is
Solution 
6
Discuss

Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is
Solution 
7
Discuss

The number of circles that can be drawn out of 10 points of which 7 are collinear is
Solution 
8
Discuss

In how many ways can 10 people line up at a ticket window of a railway station?
Solution 
9
Discuss

A, B, C, D and E sit on five chairs all of which are facing north. C will sit only on the leftmost chair and B will not sit anywhere to the left of A. In how many ways they can be seated?
Solution 
10
Discuss

How many 3digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by 5 and none of the digits is repeated
Solution 
#  Quiz 
Copyright © 2020 Inovatik  All rights reserved