15 persons working 6 hours per day earn Rs. 900. How much money will 20 persons earn, working 10 hours per day?
Watch SolutionThe value of \(\sqrt{cosec\theta-cot\theta\over cosec\theta+cot\theta}\)\(\div {sin\theta\over1+cos\theta}\) is equal to :
Watch SolutionThe marked price of an article is 50% above cost price. When marked price is increased by 20% and the selling price is increased by 20%, the profit doubles. If original marked price is Rs 300, then the original selling price is:
Watch SolutionA house of height 100 metres subtends a right angle at the window of an opposite house. If the height of the window is 64 metres, then the distance between the two houses is
Watch SolutionThe compound interest on a certain sum of money for 3 years, compounded annually, at a rate of interest of 10% per annum is Rs. 1,324. The sum is:
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