Chain Rule Questions and Answers
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If a quarter kg of potato costs 60 yen, how many paise will 200 gm cost?
Answer & Explanation:
Answer: Option A
Explanation: Let the required weight be x kg.
Less weight, Less cost (Direct Proportion)
250 : 200 :: 60 : x 250 x x = (200 x 60)
x= (200 x 60)/250
x = 48
In a dairy farm, 40 cows eat 40 bags of husk in 40 days. In how many days one cow will eat one bag of husk?
Answer & Explanation:
Answer: Option C
Explanation:
A wheel that has 6 cogs is meshed with a larger wheel of 14 cogs. When the smaller wheel has made 21 revolutions, then the number of revolutions mad by the larger wheel is:
Answer & Explanation:
Answer: Option B
Explanation: Let the required number of revolutions made by larger wheel be x.
Then, More cogs, Less revolutions (Indirect Proportion)
14 : 6 :: 21 : x <-> 14 x x = 6 x 21
x = (6 x 21)/14
x = 9
If 7 spiders make 7 webs in 7 days, then 1 spider will make 1 web in how many days?
Answer & Explanation:
Answer: Option C
Explanation:
A flagstaff 17.5 m high casts a shadow of length 40.25 m. The height of the building, which casts a shadow of length 28.75 m under similar conditions will be:
Answer & Explanation:
Answer: Option B
Explanation:
