Question Paper
Class / Subject: Class 10 (CBSE) · Mathematics
Chapter: Chapter 14 — Chapter 14: Probability
Time Allowed: 15 minutes
Max Marks: 6
1. Probability of an event is calculated as: [1]
(A) favourable outcomes ÷ total outcomes
(B) total outcomes ÷ favourable outcomes
(C) favourable outcomes x total outcomes
(D) favourable outcomes - total outcomes
2. Find the probability of getting a 4 when rolling a fair die: [1]
(A) 1/6
(B) 1/4
(C) 4/6
(D) 1/2
3. Probability values always range between: [1]
(A) 0 and 1
(B) -1 and 1
(C) 1 and 100
(D) 0 and 100
4. If P(E)=0.4, then P(not E) equals: [1]
(A) 0.6
(B) 0.4
(C) 1.4
(D) 0
5. The probability of an event and its complement always: [1]
(A) add up to 1
(B) add up to 0
(C) are always equal
(D) multiply to give 1
6. A bag has 5 red and 3 blue balls (8 total). Find the probability of NOT drawing a red ball: [1]
(A) 3/8
(B) 5/8
(C) 1
(D) 0