Question

A student was asked to simplify the expression: `(0.1216 xx 0.105 xx 0.0002)/(0.625 xx 0.08512 xx 0.039 xx 0.16)` his answer was `1/65.` What  is the difference between his answer and the correct answer?

विकल्प

• `1/65`

• `1/130`

• `1/26`

• `1/13`

Answer 1

`1/130`

Explanation:

`(0.1216 xx 0.105 xx 0.0002)/(0.625 xx 0.08512 xx 0.039 xx 0.16)=1/130`

∴ Required difference`=1/65-1/130=1/130`