What is the value of X in the sequence 20, 10, 10, 15, 30, 75, X?
105
120
150
225
20 × 0.5 = 10 10 × 1 = 10 10 × 1.5 = 15 15 × 2 = 30 30 × 2.5 = 75 75 × 3 = 225
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In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
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Which among the following events happened earliest ?
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An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
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