Mathematics
If 6 is 24% of a number, what is 40% of the same number
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The ratio of 50ml and 2 liters is
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A sum of money placed at compound interest doubles itself in 5 years. It will amount to eight times itself at the same rate of interest in:
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A milk vendor has 2 cans of milk. The first contains 25% water and the rest milk. The second contains 50% water. How much milk should mix from each of the containers so as to get 12 liters of milk such that the ratio of water to milk is 3: 5?
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One quality of wheat at Rs. 9.30 per kg is mixed with another quality at a certain rate in the ratio 8: 7. If the mixture so formed be worth Rs. 10 per kg, what is the rate per kg of the second quality of wheat?
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Two vessels A and B contain spirit and water mixed in the ratio 5: 2 and 7: 6 respectively. Find the ratio in which these mixtures be mixed to obtain a new mixture in vessel C containing spirit and water in the ratio 8: 5?
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A merchant has 1000 kg of sugar, part of which he sells at 8% profit and the rest at 18% profit. He gains 14% on the whole. The quantity sold at 18% profit is:
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Tea worth Rs. 126 per kg and Rs. 135 per kg are mixed with a third variety in the ratio 1: 1: 2. If the mixture is worth Rs. 153 per kg, the price of the third variety per kg will be:
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If the following numbers were arranged in order, what would the middle number be:
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