Numbers

Numbers Worksheet-13

1. The sum of two rational numbers is –3. If one of the numbers is then the other number is

(a)                 (b)                   (c)                 (d)

Numbers Worksheet-14

1. Which of the following statements is true?

(a) 1 and -1 are reciprocal of themselves

(b) Zero has no reciprocal

(c) The product of two rational numbers is a rational number

(d) All of these

2. Which of the following statement is true?

(a)                                  (b)

Numbers Worksheet-15

1. If x, y, z be rational numbers such that x > y and z < y then

(a) z > x              (b) z < x             (c) y < z              (d) y > x

2. A fraction x/y can be expressed as a terminating decimal if y has no prime factors other than

(a) 2, 3               (b) 3, 5               (c) 2, 5                (d) 2, 3, 5

3. If A: rational numbers are always closed under division and

R: division by zero is not defined then which of the following statement is correct?