Question

..Which of the following is the product of (-7/16) and reciprocal of (- 21/4)) ? *

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Answer 1

Question :- Which of the following is the product of (-7/16) and reciprocal of (- 21/4)) ? 

Answer :-

we know that, reciprocal of a number is :- 1 ÷ given number.

So,

→ Reciprocal of (-21/4) = 1 ÷ (-21/4) = 1 * (-4/21) = (-4/21).

Now, we have to find the product of (-4/21) and (-7/16) .

So,

→ (-4/21) * (-7/16)

→ (-1) * (4/21) * (-1) * (7/16)

→ (-1)² * { (4 * 7) / (21 * 16) }

→ 1 * { (4 * 7) / (3 * 7 * 4 * 4)

4 and 7 will cut from numerator and denominator,

So,

→ (1/3 * 4)

→ (1/12) (Ans.)

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