The length of the minute hand of a watch is 1.75 cm find in how many hours the pointer of minute hand will move to cover 165cm
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circumference ( minutehand point)
= 2* 22/7 *1.75
=11 cm
rounds should move = 165/11
=15
hours= 15 *12
= 180
180 hours
................
= 2* 22/7 *1.75
=11 cm
rounds should move = 165/11
=15
hours= 15 *12
= 180
180 hours
................
jasimjadoon123pe0rhs:
But it is totally wrong
Answer is 15 hours
no, not 15 hours its 15 rounds ,means 15 rounds with 12 hours, can u understand ?
u have asked howmany hours, so ans is 180
ok
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