6 bells are range together and toll at intervals of 2,4,6,8,10 &12 seconds respectively. In 30 minutes, how many times they toll together?
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Heya !!!
2 = 1 × 2
4 = 2 × 2
6 = 3 × 2
8 = 2 × 2 × 2
12 = 2 × 2 × 3
LCM OF 2,4,6,8,10 = 120 sec
120 sec = 2 minutes
AFTER EVERY 2 MINUTES THEY TOLL TOGETHER .
REQUIRED NUMBER OF TIMES = ( 30/2 + 1) = 16 TIMES.
HOPE IT WILL HELP YOU...... :-)
2 = 1 × 2
4 = 2 × 2
6 = 3 × 2
8 = 2 × 2 × 2
12 = 2 × 2 × 3
LCM OF 2,4,6,8,10 = 120 sec
120 sec = 2 minutes
AFTER EVERY 2 MINUTES THEY TOLL TOGETHER .
REQUIRED NUMBER OF TIMES = ( 30/2 + 1) = 16 TIMES.
HOPE IT WILL HELP YOU...... :-)
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