Day 70: CBSE Class 10 Maths
5 questions. Try each one first, then open its answer.
Question 1
Probability. Asked once: 2025 (same type asked 4 times)
24A bag contains balls numbered 2 to 91 such that each ball bears a different number. A ball is drawn at random from the bag. Find the probability that (i) it bears a 2– digit number (ii) it bears a multiple of 1.Question 2
Probability. Asked once: 2025 (same type asked 4 times)
18A card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a spade or a king ?Tap an option to check your answer.
Question 3
Probability. Asked once: 2026 (same type asked 4 times)
30A bag contains 30 balls out of which 'm' number of balls are blue in colour. (i) Find the probability that a ball drawn at random from the bag is not blue. (ii) If 6 more blue balls are added in the bag, then the probability of drawing a blue ball will be times the probability of drawing a blue ball in the first case. Find the value of m.Question 4
Probability. Asked once: 2026 (same type asked 4 times)
5Two dice are rolled together. The probability that the sum of the numbers obtained is divisible by 6, is :Tap an option to check your answer.
Question 5
Probability. Asked once: 2025 (same type asked 4 times)
27If 65% of the population has black eyes, 25% have brown eyes and the remaining have blue eyes, what is the probability that a person selected at random has : (a) blue eyes ? (b) brown or black eyes ?