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Question 144(ii)
Four friends had a competition to see how far could they hop on one foot. The table given shows the distance covered by each.
NameDistance covered (in km)Seema125Nancy132Megha140Soni120

What is the total distance covered by Seema and Megha?


Solution

We have, 125,132,140,120
First , we convert the numbers as like denominators
Taking LCM of 25, 32, 40 and 20 =2×2×2×5×5×4=800
we get
22532402022516201022581055254555411

Distance covered by Seema =125=1×3225×32=32800
Distance covered by Nancy =132=1×2532×25=25800;
Distance covered by Megha =140=1×2040×20=20800
and Distance covered by Soni =120=1×4020×40=40800



Total distance covered by Seema and Megha
=32800+20800=32+20800=52800=13200km

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