15 iron ball of same size weigh 10 kg 50 g. How many of them will weigh 4 kg 690 g ?
and answer is 7 how is it possible
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6
Step-by-step explanation:
No. of iron balls weighs 10050 g=15
No. of iron balls weighs 1g=15
10050
No. of iron balls weighs 4690g=15 4690
10050
AFTER this do from pic.
=7 ANS
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