# Chain Rule Questions and Answers Home > Numerical Tests > Chain Rule > Chain Rule Questions In a camp, there is a meal for 120 men or 200 children. If 150 children have taken the meal, how many men will be catered to with remaining meal?

A. 20
B. 30
C. 40
D. 50

Explanation: There is a meal for 200 children.

150 children have taken the meal.

Remaining meal is to be catered to 50 children.

Now, 200 children 120 men.

50 children = (120/200)x 50 = 30 men. An industrial loom weaves 0.128 metres of cloth every second. Approximately, how many seconds will it take for the loom to weave 25 metres of cloth?

A. 178
B. 195
C. 204
D. 488

Explanation:   36 men can complete a piece of work in 18 days. In how many days will 27 men complete the same work?

A. 12
B. 24
C. 22
D. None of these

Explanation: Let the required number of days be x.

Less men, More days (Indirect Proportion)

27 : 36 :: 18 : x <-> 27 x x = 36 x 18

x = (36 x 18)/27

x = 24 4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 8 mat-weavers in 8 days?

A. 4
B. 8
C. 12
D. 16

Explanation:   #### Square and Cubic Conversion

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