Question

Archana goes to the market every fortnight and Aarti goes to the market every 20th day they met each other on in a particular day how many days later will they meet again?

Answer 1

Archana goes to the market every fortnight or 14th day

Aarti goes to the market every 20th day

find the LCM of 14 and 20

14 = 2×7
20 = 2×2×5 = 2^2 × 5

LCM = 2^2 × 5 × 7 = 140

So they will meet again after 140 days.

Answer 2

archana goes to the market every fortnight aarti so she will go the market every day 20 days + 2 month =2 month 20 days

80 days

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