Question: If four coins are tossed, the probability of getting two heads and two tails is__________?
- 1. 3/8
- 2. 6/11
- 3. 2/5
- 4. 4/5
Question: If two dice are thrown together, the probability of getting an even number on one die and an odd number on the other is__________?
- 1. 1/4
- 2. 1/2
- 3. 3/4
- 4. 3/5
Question: Out of first 20 natural numbers, one number is selected at random. The probability that it is either an even number or a prime number is_____________?
- 1. 1/2
- 2. 16/19
- 3. 4/5
- 4. 17/20
Question: If a number is chosen at random from the set {1, 2, 3, …., 100}, then the probability that the chosen number is a perfect cube is___________?
- 1. 1/25
- 2. 1/2
- 3. 4/13
- 4. 1/10
Question: A coin is tossed live times. What is the probability that there is at the least one tail?
- 1. 31/32
- 2. 1/16
- 3. 1/2
- 4. 1/32
Question: The probability that a number selected at random from the first 50 natural numbers is a composite number is__________?
- 1. 21/25
- 2. 17/25
- 3. 4/25
- 4. 8/25
Question: If Ahmed purchases a Watch for Rs 600 and pays 15% sales tax, the total amount spent on purchase is?
- 1. 660
- 2. 670
- 3. 680
- 4. 690
Question: Find two number whose sum is 28 and the difference is 4 _____________?
- 1. 12,16
- 2. 18,10
- 3. 15,13
- 4. 14,12
Question: If the number obtained on interchanging the digits of a two-digit number is 18 more than the original number and the sum of the digits is 8, then what is the original number ?
- 1. 26
- 2. 35
- 3. 53
- 4. Cannot be determined
Question: A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is :_________?
- 1. 18
- 2. 24
- 3. 42
- 4. 81