New Learning Composite Mathematics Class 7 SK Gupta Anubhuti Gangal Rational Numbers Chapter 3F Solution

New Learning Composite Mathematics Class 7 SK Gupta Anubhuti Gangal Rational Numbers Chapter 3F Solution

(1) Find the reciprocal of each of the following.

(a) 8/27

(b) -11

(c) -16/45

(d) -3/-19

(e) |-2~3/27|

(f) -|1~5/6|

(g) |-4/3 + 8/4|

SOLUTION:

(2) Divide:

(a) 3/4 ÷ 1/2

(b) -5/8 ÷ 3/2

(c) 4/5 ÷ -4/25

(d) -3~1/8 ÷ (-10)

(e) 80 ÷ 1/-5

(f) -16 ÷ (-3~1/5)

(3) Find each quotient.

(a) 1~8/49 ÷ (-13~4/7)

(b) -5~5/36 ÷ 4~1/9

(c) -3~7/9 ÷ (-4~8/15)

(4) By what must 2~17/54 be multiplied to get -4~31/36?

SOLUTION:

(5) Find:

(a) (2/5 ÷ 4/-7) ÷ 1/-2

(b) 2/5 ÷ (4/-7 + 1/-2), are they equal?

SOLUTION:


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