Home
Class 12
MATHS
A person is permitted to select at least...

A person is permitted to select at least one and at most n coins from a collection of (2n+1) distinct coins. If the total number of ways in which he can select coins is 255, then find the value of n.

A

4

B

8

C

16

D

32

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS AND COMBINATIONS

    ARIHANT MATHS|Exercise Exercise For Session 5|18 Videos

  • PERMUTATIONS AND COMBINATIONS

    ARIHANT MATHS|Exercise Exercise For Session 6|27 Videos

  • PERMUTATIONS AND COMBINATIONS

    ARIHANT MATHS|Exercise Exercise For Session 3|11 Videos

  • PARABOLA

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|35 Videos

  • PROBABILITY

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|55 Videos

Similar Questions

Explore conceptually related problems

A student is allowed to select atmost n books from a collection of (2n + 1) books. If the number of ways in which he can do this is 64, find n.

A student is allowed to select at most n books from a collection of (2n+1) books. If the total number of ways in which a student selects at least one book is 63. then n equals to -

There are p copies each of n different books. Find the number of ways in which a nonempty selection can be made from them.

The number of ways in which n distinct objects can be put into two different boxes is:

Find the number of ways in which n different beads can be arranged to form a necklace.

A bag contains n+1 coins. If is known that one of these coins shows heads on both sides, whereas the other coins are fair. One coin is selected at random and tossed. If the probability that toss results in heads is 7/12, then find the value of ndot

Calculate the total number of spectral lines in lymen series from n1 = 1 and n2 = 4.

In a certain test, there are n questions. In this test, 2^(n-k) students gave wrong answers to atleast k questions, where k=1,2,3, . . ,. If the total number of wrong answers given in 127, then the value of n is

Calculate the total number of spectral lines in balmer series from n1 = 2 and n2 = 5.

Find the number of ways in which n things of which r are alike, can be arranged in a circular order.