chain rule differentiation - Wikitechy https://www.wikitechy.com/interview-questions/tag/chain-rule-differentiation/ Interview Questions Mon, 06 Sep 2021 07:23:40 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://www.wikitechy.com/interview-questions/wp-content/uploads/2025/10/cropped-wikitechy-icon-32x32.png chain rule differentiation - Wikitechy https://www.wikitechy.com/interview-questions/tag/chain-rule-differentiation/ 32 32 A garrison of 500 men had provisions for 24 days. However, a reinforcement ? https://www.wikitechy.com/interview-questions/chain-rule/a-garrison-of-500-men-had-provisions-for-24-days-however-a-reinforcement/ https://www.wikitechy.com/interview-questions/chain-rule/a-garrison-of-500-men-had-provisions-for-24-days-however-a-reinforcement/#respond Tue, 17 Aug 2021 21:54:05 +0000 https://www.wikitechy.com/interview-questions/?p=1978

A garrison of 500 men had provisions for 24 days. However, a reinforcement ?

A. 15 days

B. 16 days

C. 1/2 days

D. 18 days

Answer : A. 15 days

Explanation:

Given that fort had provision for 500 persons for 27 days Hence, after 3 days, the remaining food is sufficient for 500 persons for 24 days.
Remaining persons after 3 days = 500 + 300 = 800
Assume that after 10 days,the remaining food is sufficient for 800 persons for x days.

More men, Less days (Indirect Proportion)
⇒ Men 500 : 800 :: x : 24
⇒ 500 × 24 = 800x
⇒ 5 × 24 = 8x
⇒ x = 5 × 3 = 15

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