SSC CGL 8 Aug 2017 Shift 1 Paper

Question : 58 of 100

Marks: +1, -0

After deducting 60% from a certain number and then deducting 15% from the remainder, 1428 is left. What was the initial number ?

Solution:

Let the initial number = x
According to question,
⇒

x× 40/100× 85/100=1428

∴

x={1428× 20× 5}/{17× 2}=4200

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