Question
Ashish and Anil can do a piece of work in 10 days and 18
days respectively. Ashish completed 75% of the work. Find the time taken by Anil to complete the remaining work.Solution
Let the total work be (LCM of 10 and 18) = 90 units Efficiency of Anil = 90/18 = 5 units/day Remaining work = 90 x 0.25 = 22.5 units Time taken by Anil to complete the remaining work = 22.5/5 = 4.5 days
A body is said to be in equilibrium when:
Which polymer is used in the production of bullet-proof materials?
Which one among the following statements is not true for Mammals?
Which of the following is a chemical change?
Which vitamin is also known as Vitamin-B2?
If the root mean square speed of gas molecules is doubled, the absolute temperature of the gas:
Which vitamin helps in improving night vision?
Which vitamin is essential for RBC formation?
Which of the following statements for the given chemical reaction is true?
Fe₂ O₃ + 2Al → Al₂ O₃  + 2Fe
The force which opposes the relative motion between different layers of liquid or gases is called –
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