Problems on H.C.F and L.C.M
The traffic lights at three different road crossings change after every 48 sec., 72 sec and 108 sec.respectively .If they all change simultaneously at 8:20:00 hours,then at what time they again change

10:13:17 hrs
8:27:12 hrs
7:25:14 hrs
9:22:08 hrs

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Problems on H.C.F and L.C.M
Express 1168/1095 in simple form?

18/17
16/15
19/18
17/16

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Problems on H.C.F and L.C.M
Find the HCF of of 0.36, 0.48, 0.72 and 2.4

0.4
0.16
0.8
0.12

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Problems on H.C.F and L.C.M
What is the side of the largest possible square brick which can be paved on the floor of a room 4m 96cm long and 4m 3cm broad?

9 cm
31 cm
16 cm
25 cm

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