Question
90 men can complete a work in 32 days. Eight days after
they started working, 72 more men joined them. How many days will they now complete the remaining work ?Solution
From: M1D1/W2 = M2D2/W1 90 × 32 = (90 × 8) + (90 + 72) × D2 D2 = 3 days (approx.)
Which of the following rivers flows through the Kullu valley?
Which country is currently leading the research in commercializing Quantum Key Distribution (QKD) for secure communications?
A person covers 335 km in 19 hours. If his speed for the first 243 km is 81 km/h, then find the speed for the rest of the distance.
Which currency exchange value directly affects international demand and prices of cotton? Â
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______of the Directive Principles of State Policy deals with the promotion of international peace and security.
Which of the following Veda mentions about music?
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