Question

in a battle 70% of the soldiers lost one eye 80% of a ear 75% an arm 85 %a leg ,x loss all the four Limbs and the minimum value of x is ​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

30% of combatants hasn't lost one eye

20% of combatants hasn't lost one ear

25% of combatants hasn't lost one arm

15% of combatants hasn't lost one leg

Who has lost atleat one limb = 30+20+25+15

= 90%

Who has lost all four limbs = 100-90=10%.

or.

Let us start with 70% who lost one eye

Consider 80% lost one ear.

This means 20% did not lose one ear.

Suppose this 20% all lost one eye as well.

This means 70% - 20% = 50% lose one eye and one leg

Consider 75% lost arm next.

This means 25% did not lose arm.

Suppose this 25% all lose one eye and one ear.

This means 50% - 25% = 25% lose ear, one eye and one arm

Consider 85% lost a leg

This means 15% did not lose leg.

Suppose this 15% all lose ear, one eye and one arm.

This means 25% - 15% = 10% lost all 4 limbs.

Now, it is given that x% lost all four limbs. So, x=10 .

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