1. karunya takes 2 3/4 minutes to walk across the school ground. kalki takes 4 1/8 minutes to do the same. who takes less time and by what fraction .
2. find the value of RS. 5.28 - RS. 1.4 + RS. 3.116.
3. find the cost of fencing a rectangular park 300 m long and 200 m wide at the rate of rs 4 per metre.
4. find the length of a square hall given that it's perimeter is 1612 square metre.
5. solve the equation : 12 x — 9 = 99.
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Answer; 5 okay
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