Question
A, B, and C together can complete a task in 8 days. A
alone can do it in 24 days, and B alone can do it in 18 days. How long will it take C alone to finish the work?Solution
Work done by A, B, and C together in one day = 1/8 Work done by A in one day = 1/24 Work done by B in one day = 1/18 Work done by C in one day = (1/8) - (1/24 + 1/18) LCM of 8, 24, and 18 = 72 Work done by C in one day = (9/72) - (3/72 + 4/72) = 9/72 - 7/72 = 2/72 Time taken by C = 1 Ă· (2/72) = 36 days Correct Option: d
Which is the precursor of ethylene?
Botanical name of jowar is:
Which physiological disorder in cotton is caused by excessive nitrogen and results in vigorous vegetative growth but poor boll formation?
Which floral mechanism helps promote autogamy (self-pollination) in lettuce?
Two main components of sales promotion are ______.
Which soil-forming factor is classified as “active”?
The main host tree of Eri Silkworm isÂ
Saline soil having
(A) pH<8.5
(B) E.C.>4
(C) ESP<15
(D) Physical condition - Flocculated
Choose the correct answer from the options given below:
Which statement is true?
Cotton and pigeon pea are:
