Question

15 iron ball of same size weight 10kg 50g how many of them will wait for the for KG 69 g

Answer 1

Answer:

10kg50g=10000+50=10050gm

hence 15iron balls weigh 1050gm then 1 ball weighs =10050/15=670gm

hence in 4kg 690g=4000+690=4690gm

4690/670=7 balls

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