HCF and LCM Practice Question and Answer
8 Q: The HCF of two numbers, each having three digits, is 17 and their LCM is 714. The sum of the numbers will be:
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Answer : 1. "221 "
Q: A milk in vendor has 21 liters of cow milk, 42 liters of toned milk and 63 liters of double toned milk. If he wanted to pack them in cans so that each can contains same liters of milk and does not want to mix any two kinds of milk in a can, then the least number of cans required is :
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Answer : 2. "6"
Q: If A and B are the HCF and LCM respectively of two algebraic expressions x and y, and A + B = x + y, then the value of A3 + B3 is
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5dca4b85582669277c295f80- 1false
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Answer : 4. " "
Q: The sum of two numbers is 232 and their HCF is 29. What is the numbers of such pairs of numbers satisfied the above condition?
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60bdfcad05aad558f1cd6f4e- 10false
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Answer : 2. "2"
Q: What is the minimum number of square marbles required to tile a floor of length 5 meters 78 cm. and width 3 meters 74 cm?
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60acc56a2fb4b11d33da2562- 1540false
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Answer : 4. "187 "
Q: If the HCF and LCM of 5x and 8x are 9 and 360 respectively, find value of x.
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5eb4f945a201e2350c4797b0- 15false
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Answer : 3. "9 "
Q: A fraction becomes when 4 is subtracted from its numerator and 1 is added to its denominator. If 2 and 1 are respectively added to its numerator and the denominator, it becomes . Then, the LCM of the numerator and denominator of the fraction, must be
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Answer : 2. "70"
Q: Find the least multiple of 23, which when divided by 18, 21 and 24 leaves the remainder 7, 10 and 13 respectively.
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