What is 69 + 10?
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69 + 10 = 79.
Practice Quantitative Ability questions with answers and explanations.
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69 + 10 = 79.
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87 + 9 = 96.
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20% of 210 = 20/100 × 210 = 42.
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15% of 150 = 15/100 × 150 = 22.
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Divide both sides by 3: x = 48/3 = 16.
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5% of 280 = 5/100 × 280 = 14.
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25% of 220 = 25/100 × 220 = 55.
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15% of 250 = 15/100 × 250 = 37.
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The sum is 207 and there are 9 values, so the average is 23.
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Simple interest = P×R×T/100 = 7800×10×4/100 = 3120.
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The sum is 217 and there are 7 values, so the average is 31.
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Divide both sides by 2: x = 30/2 = 15.