alleryA એક કામ 10 દિવસમાં અને B 15 દિવસમાં કરે છે. તેઓ 3 દિવસ સાથે મળીને કામ કરે તે પછી બાકી રહેતો ભાગ છે:
A1/3
B1/2
C1/4
D2/3
Answer & Solution
Correct answer: B. 1/2
સાથે મળીને તેઓ પ્રતિ દિવસ 1/6 કામ કરે છે, તેથી 3 દિવસમાં 1/2 કામ પૂરું થાય છે અને 1/2 બાકી રહે છે.
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