Question

Chakradhar and Dhruva have two spools of 'manjha' to fly their kites. Each of the
manjhas has tiny knots at regular intervals, which helps in keeping track of the length
of the manjha that is used. Each of the persons has the same length of manjha. While
Chakradhar's manjha has knots at intervals of 10 feet, Dhruva's has knots at intervals
of 12 feet and it has 10 knots less than that of Chakradhar. Each of the manjhas has
knots at only one of the extreme ends. Then the length of the manjha with either of
those in feet) is:​

Answer 1

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