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Q. Two stations P and Q are 110 km apart on a straight track. One train starts from P at 7 a.m. and travels towards Q at 20 kmph. Another train starts from Q at 8 a.m. and travels towards P at a speed of 25 kmph. At what time will they meet?
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Q. The LCM of three different numbers is 120. Which of the following cannot be their HCF ?
Q. Two successive discounts of 20% and 5% are equivalent to a single discount of
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