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A യ്ക്ക് 15 ദിവസം കൊണ്ടും B യ്ക്ക് 20 ദിവസം കൊണ്ടും ഒരു ജോലി ചെയ്യാൻ കഴിയും. അവർ 4 ദിവസത്തേക്ക് ഒരുമിച്ച് ജോലി ചെയ്യുകയാണെങ്കിൽ, ശേഷിക്കുന്ന ജോലിയുടെ അംശം?

A1/10

B8/15

C1/4

D7/15

Answer:

B. 8/15

Read Explanation:

മൊത്തം ജോലി = 15, 20 എന്നിവയുടെ ലസാഗു = 60 കാര്യക്ഷമത(A) = 60/15 = 4 കാര്യക്ഷമത(B) = 60/20 = 3 A & B 4 ദിവസത്തിനുള്ളിൽ ചെയ്ത ജോലി = 4 × (4 + 3) = 28 ചെയ്യാൻ ശേഷിക്കുന്ന ജോലി = 60 - 28 = 32 ശേഷിക്കുന്ന ജോലിയുടെ അംശം = 32/60 = 8/15


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