Question

I. Multiple Choice Questions
(1X10-10)
1. The letters used to represent unknown numbers in an expression are called:
i) Constants
ii) Literal numbers
iii) Odd numbers
iv) Prime numbers
2. 1-10] +1-91 equals
i) 12
10) 19
) 6
iv) 16
3. Which of the following is not a prime number
i) 7
ii) 2
in) 8
iv) 11
4. 72 is not a multiple of
1) 8
ii) 12
in) 18
iv) 16
iv) 7
3. The smallest prime number is
ii) 2
ii) 3
6. Numbers having more than two factors are called:
i) Odd numbers
ii) even numbers
iii) prime numbers
iv) Composite numbers
7. The sum of literals a and b is,
ii) b-a
iii) 2a - b
ila-b
iv) a + b
X LOM
8. Product of two numbers =
ii) LCM
iv) (HCF)
11) 250
i) HCE
9. The predecessor of the integer -1 is,
ii) -2
iv)
i)
10. Which quotient is greater
1) (-10) -(-5)
iv) (-15)-(-5)
i) (-8) + (-2)
i) (-10) - (5)​

Answer 1

Answer:

1 .literal numbers

2.

3. 8

4. 16,7

5. 2

6. Composite numbers

7. a+b

8.

9. 0

10.

Answer 2

Answer:

1.(constant)

2.(-99)

3.(8)

4.(16and7)

5.(2)

6.(composite)

7.(b+a)

8.(product of two no.=Lcm×Hcf)

9.(-2)

10.(-10)-(-5)