R K Bansal Solutions for Chapter: Probability, Exercise 1: EXERCISE 22 (A)

A bag contains $4$ white and $6$ black balls, all of the same shape and same size. A ball is drawn from the bag without looking into the bag. Find the probability that the ball drawn is a white ball.

A bag contains $4$ white and $6$ black balls, all of the same shape and same size. A ball is drawn from the bag without looking into the bag. Find the probability that the ball drawn is a not a black ball.

In a single throw of a dice, find the probability of getting a number $4$.

In a single throw of a dice, find the probability of getting a number $6$.

In a single throw of a dice, find the probability of getting a number greater than $4$.

Hundred identical cards are numbered from $1$ to $100$. The cards are well shuffled and then a card is drawn. Find the probability that the number on the card drawn is $50$.

Hundred identical cards are numbered from $1$ to $100$. The cards are well shuffled and then a card is drawn. Find the probability that the number on the card drawn is $80$.

Hundred identical cards are numbered from $1$ to $100$. The cards are well shuffled and then a card is drawn. Find the probability that the number on the card drawn is $40$.