SSC CHSL 11 July 2019 Shift-2

Question 59

If (1.25)($$1 - 6.4 \times 10^{-5}$$) = 1.2496 + a, then a is equal to:

Solution

(1.25)($$1 - 6.4 \times 10^{-5}$$) = 1.2496 + a

$$(1.25)(1-6.4\times\frac{1}{100000})=1.2496+a$$

$$1.25-\frac{8}{100000}=1.2496+a$$

$$1.24992=1.2496+a$$

$$a=0.00032$$

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