Home
Class 11
MATHS
In an examination of 9 papers, a candida...

In an examination of 9 papers, a candidate has to pass in more papers than the number of papers in which he fails in order to be successful. The number of ways in which he can be unsuccessful is

A

255

B

256

C

193

D

319

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

In how many ways can 9 examination papers be arranged so that the best and the worst papers never come together?

A bag contains 5 black and 6 red balls. Determine the number of ways in which 2 black and 3 red balls can be selected?

A bag contains 5 blue and 6 white balls. Determine the number of ways in which 3 blue and 4 white balls can be selected.

Examine the samples given. a) 20g He b) 44.8 L of NH_3 at STP c) 67.2 L N_2 at STP d) 1 mole of H_2 SO_4 e) 180g of water i) Arrange the samples in the increasing order of the number of molecules in each. ii) What will be the ascending order of the number of atoms? iii) What will be the mass of samples b,c, and d?

From 4 men and 6 ladies a committee of five is to be selected. The number of ways in which the committee can be formed so that men are in majority is

Find the number of ways in which the letters of the word ASSISTANT can be arranged among themselves.

The letters of the word "SOCIETY" are placed at random in a row Find the number of ways in which all the letters of given word can be permuted in a row