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The product of two rational numbers is -40/3. If one of the two numbers is -5/2, then the reciprocal of the other number lies between:
Question

The product of two rational numbers is -40/3. If one of the two numbers is -5/2, then the reciprocal of the other number lies between:

A.

9/50 and 1/5

B.

1/5 and 1/4

C.

1/4 and 1/3

D.

3/20 and 9/50

Correct option is A

The product of two rational numbers is -40/3. If one of the two numbers is -5/2, then the reciprocal of the other number lies between:
Let other number = y
According to question

y=16/3
the reciprocal of the other number, y = 3/16=0.1875 lies between 9/50 and 1/5

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