a student spends 30%of his money and has rs 21 left.find his money
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Answer:
rs 30
Explanation :
Money spent = 30 %
Remaining money = 100 % - 30 %
= 70 %
70 % = rs 21
10 % = rs 3
Total money = 100 %
= 10 × 3
= rs 30
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