Mathematics
Two angles are supplementary. One angle is 12° less than three times the other. What is the measure of the larger angle?
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A class of 30 girls and 40 boys sponsored a ride. If 60 percent of the girls and 25 percent of the boys went on the ride, what percent of the class went on the ride?
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Your supervisor instructs you to purchase 240 pens and 6 staplers for the office. Pens are purchased in sets of 6 for Rs.2 per pack. Staplers are purchased in sets of 2 for Rs.12.95. How much will purchasing these products cost?
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Find the missing number in the following table: (18, 27, 75) (41, 60, 19) (45, 45, ?)
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If the following numbers were arranged in order, what would the middle number be:
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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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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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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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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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