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  1. The difference between a single discount of 30% on 550 and two successive discounts of 20% and 10% on the same amount is
    1. Nil
    2. ₹ 11
    3. ₹ 22
    4. ₹ 44
Correct Option: B

As we know from the given question.
Case I : A single discount of 30%
Case II : Two successive discounts of 20% and 10% Single equivalent discount

Equivalent Discount D = 20 + 10 −
20 × 10
% = 28%
100

Difference = (30 – 28)% = 2%
∴  Required difference = 2% of 550
Required difference = ₹
2 × 550
= ₹ 11
10000



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