1) Find the lowest number which is exactly divisible by 18 and 24. a) 70 b) 72 c) 74 d) 76 2) Find the lowest number which is exactly divisible by 24 and 48. a) 40 b) 44 c) 48 d) 52 3) Find the lowest number which is less by 7 to be divided by 16, 24 and 36 exactly. a) 135 b) 137 c) 139 d) 141 4) Find the lowest number which is more by 8 to be divided by 25, 40 and 60 exactly. a) 604 b) 606 c) 608 d) 610 5) A shopkeeper sells candles in packets of 50 and candle stands in packet of 55. What is the least number of candles and candle stands Nita should buy so that there will be one candle for each candle stand. a) 450 b) 500 c) 550 d) 600 6) Find the lowest number which leaves 3 as remainder when divided by 8, 12 and 16. a) 50 b) 51 c) 52 d) 53 7) Let us consider two numbers 16 and 24. a) ุ6 b) 8 c) 10 d) 12 8) Find the H.C.F. of 12 and 18. a) 6 b) 8 c) 10 d) 12 9) Find the H.C.F. of 15 and 28. a) 0 b) 1 c) 3 d) 4 10) Find the H.C.F. of 36 and 45. a) 8 b) 9 c) 10 d) 5 11) Find the HCF of 12, 48 and 72. a) 10 b) 11 c) 12 d) 13 12) Find the H.C.F. of 24, 36 and 48. a) 10 b) 11 c) 12 d) 13 13) Find the H.C.F. of 132 and 330. a) 60 b) 62 c) 64 d) 66 14) Find the HCF of 18 and 54 by short division method. a) 18 b) 36 c) 45 d) 54 15) Find the H.C.F. of 48 and 90. a) 6 b) 8 c) 10 d) 12

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