alleryA ને 10 દિવસ અને B ને 15 દિવસ લાગે છે. A થી શરૂ કરીને એકાંતરે દિવસોમાં કામ કરતાં, તેઓ કેટલા દિવસમાં કામ પૂરું કરશે?
A12 દિવસ
B11 દિવસ
C10 દિવસ
D15 દિવસ
Answer & Solution
Correct answer: A. 12 દિવસ
દરેક બે દિવસના ચક્રમાં 1/10 + 1/15 = 1/6 ભાગ કામ થાય છે, તેથી 6 ચક્રમાં 12 દિવસ લાગે છે.
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