15. An ant tries to climb the water pipe 10 m high, it climbs 2 m up and slips back 1 m down in
move. In how many moves will it reach the top of the 10 m high pipe? ( answer is 9). give me explanation
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Step-by-step explanation:
1 move = 1m
so it tries 8 moves =8m
lastly in 9th move it climbed up 8m + 2m =10m so there is no chance to slip down
so in 9 moves it will reach up side
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