Divisibility Tests for 2

Q. How many numbers are divisible by 2 from 1 to 100?

1. 49

2. 50

3. 23

4. 51

Q.

A teacher wrote a large number on the board and asked the students to tell about the divisors of the number of. The students said that the number was divisible by numbers from 2 to 31.The teacher said that two students answered wrongly if taken that each student told one number in order.Which two students answered wrongly?i

Q.

Mark the option which contains set of prime numbers.

1. 1, 2, 3, 5, 7

2. 2, 5, 9, 11, 17

3. 19, 13, 11, 7, 3

4. 23, 29, 39, 37, 43

Q.

Which of the following is not a null set?

1. B = {x:x is an even prime number greater than 2}

2. C = {x: x - 3=0, x is decimal number}

3. D = {x: x is an odd natural number divisible by 2}

4. A = {x: -10<x<2, x is a natural number}

Q. Which of the following numbers will be completely divisible by 2?

1. 122
2. 157
3. 189
4. 97

Q.

A two digit number $ab$is always divisible by 2 if $b$is an even number. The statement is:

1. True only when $a$is even

2. Sometimes true

3. False

4. Always true

Q.

Which of the following is not divisible by 2?

1. 2345678234

2. 18322

3. 123123

4. 34567896