10th Standard CBSE - Maths - Probability

Buy 10th Maths MCQ Online Test CBSE Practice test pack

Question - 1

The probability of a leap year selected at random contain 53 Sunday is

  • A 53/ 366
  • B 1/7
  • C 2/7
  • D 53/365

Question - 2

A bag contains 3 red and 2 blue marbles. A marble is drawn at random. The probability of drawing a black ball is :

  • A 3/5
  • B 2/5
  • C 0/5
  • D 1/5

Question - 3

The probability that it will rain tomorrow is 0.85. What is the probability that it will not rain tomorrow

  • A 0.25
  • B 0.145
  • C 3/20
  • D none of these

Question - 4

What is the probability that a number selected from the numbers (1, 2, 3,..........,15) is a multiple of 4?

  • A  1/5
  • B 4/5
  • C 2/15
  • D 1/3

Question - 5

The probability that a prime number selected at random from the numbers (1,2,3, ..........35) is 

  • A 12/35
  • B 11/35
  • C 13/35
  • D none of these

Question - 6

The sum of the probability of an event and non event is :

  • A 2
  • B 1
  • C 0
  • D none of these

Question - 7

The following probabilities are given; choose the correct answer for that which is not possible.

  • A 0.15
  • B  2/7
  • C 7/5
  • D none of these

Question - 8

 If three coins are tossed simultaneously, than the probability of getting at least two heads, is

  • A  1/4
  • B 3/8
  • C 1/2
  • D 1/8

Question - 9

15 defective pens are accidentally mixed with 135 good ones. It is not possible to just look at a pen and tell whether it is defective or not. One pen is taken out at random from this lot. The probability that the pen taken out is good will be

  • A 9/10
  • B 11/12
  • C 6/15
  • D 1/10

Question - 10

All the three face cards of spade are removed from a well shuffled pack of 52 cards & card is drawn from the remaining pack. Find the probability of getting a black face card.

  • A 3/49
  • B 12/50
  • C 7/49
  • D 9/50