Three children of a family start for their school together . Their steps measure 20 cm ,24 cm and 30 cm respectively . after covering how much distance from their starting point wiill they step off together
Answers
Answer:
persons step off together and their steps measure 40 cm, 42 cm and 45 cm, respectively. ... What is the minimum distance each should walk so that each can cover the ... LCM (40, 42, 45) = 2 × 3 × 5 × 2 × 2 × 3 × 7 = 30 × 12 × 7 = 210 × 12 = 2520
Step-by-step explanation:
Answer:
1. Four bells toll at intervals of 4,7,12 and 84 seconds. The bells toll together
at 5 o'clock. When will they again toll together? How many times will they
do so in 28 minutes?
2. Three children of a family start for their school together. Their steps
measures 20 cm, 24 cm and 30 cm respectively. After covering how much
distance from their starting point will they step off together.
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