Problems on L.C.M and H.C.F - Data Intensity 1 | Multiple Questions and Answers

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Problems on L.C.M and H.C.F - Data Intensity 1 Multiple Questions and Answers.

36.	Four bells begin to toll together respectively at the intervals of 8, 10, 12 and 16 seconds. After how many seconds will they toll together again?

	A.	246 seconds
	B.	242 seconds
	C.	240 seconds
	D.	243 seconds

37.	The least number which when diminished by 7 is divisible by 21, 28, 36 and 45 is___?

	A.	1267
	B.	1265
	C.	1261
	D.	68

38.	The least number which when add 3 to it, completely divided 8, 12 and 18 is___?

	A.	71
	B.	70
	C.	69
	D.	68

39.	The least number which when divided by 8, 12 and 16, leave in each remainder 3, is___?

	A.	71
	B.	70
	C.	69
	D.	51

40.	The least square number which divides 8, 12 and 18 is____?

	A.	100
	B.	121
	C.	64
	D.	144

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