If ^{18}C_{r }= ^{18}C_{r+2 }; find ^{r}C_{5}.
56
63
49
42
Quiz Recommendation System API Link  https://fresherbellquizapi.herokuapp.com/fresherbell_quiz_api
#  Quiz 

1
Discuss

If (n + 2)! = 2550 (n!); find ’n’
Solution 
2
Discuss

A committee of 8 members is to be selected from a group of 12 male and 10 female members. In how many ways the committee is selected such that at most two and at least one male member are there in the committee?
Solution 
3
Discuss

A biased coin in tossed thrice. What is the probability that heads turns out at least twice considering that the probability of a head is 60%?
Solution 
4
Discuss

If ,, are probabilities of three mutually exclusive events, then
SolutionAnswer :1/2 
5
Discuss

A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the box, if at least one black ball is to be included in the draw?
Solution 
6
Discuss

In how many ways can a cricketer can score 200 runs with fours and sixes only?
Solution 
7
Discuss

In how many ways a committee, consisting of 5 men and 6 women can be formed from 8 men and 10 women?
Solution 
8
Discuss

How many integers between 1000 and 10000 have no digits other than 4, 5, or 6?
Solution 
9
Discuss

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

How many 5 digit even numbers with distinct digits can be formed using the digits 1, 2, 5, 5, 4?
Solution 
#  Quiz 
Copyright © 2020 Inovatik  All rights reserved