alleryએક કડીયો એક દીવાલ 6 દિવસમાં બનાવે છે, બીજો કડીયો તેને 3 દિવસમાં બનાવે છે. સાથે મળીને કામ કરતાં, દીવાલ કેટલા દિવસમાં તૈયાર થઈ જશે?
A1.5 દિવસ
B2 દિવસ
C1 દિવસ
D3 દિવસ
Answer & Solution
Correct answer: B. 2 દિવસ
કામનો સંયુક્ત દર પ્રતિ દિવસ દીવાલનો 1/6 + 1/3 = 1/2 ભાગ છે, તેથી દીવાલ બનવામાં 2 દિવસ લાગશે.
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