An army lost 10 of its men in war 10 of the remaining due to diseases and 10 of the rest were disabl...........

Quant (SSC) Percentage

An army lost 10% of its men in war, 10% of the remaining due to diseases and 10% of the rest were disabled. This, the strength was reduced to 7,29,000 active men. Find the original strength.

10,00,000

12,00,000

15,00,000

None of these

छोटे Courses बड़े Results

Master Percentage

Prepare through Micro-courses

Try Now

Explanation:

Let A be the original strength,
Then, A (1 + x/100) (1 + y/100) (1 + z/100) = 729000
Here, x = -10, y = -10 and z = -10
A (1 - 10/100) (1 - 10/100) (1 - 10/100) = 729000
A = 729000 x 100 x 100 x 100 / 90 x 90 x 90
= = 10,00,000 men