Two successive discount of 10% and 20% are equivalent to a single discount of:
A. 30% B. 28% C. 26% D. 25% Answer: Option BShow Answer
Solution(By Apex Team)
Use Formula,
Equivalent Discount $=(A+B)-\frac{A B}{100}$
where A = First Discount, B =Second Discount.
Equivalent Discount = (20 + 10) – $\frac{20 \times 10}{100}$
Equivalent Discount = 30 – 2 = 28%
Second Method
100 == 20%(disc.) ⇒ 80 == 10%(disc.) ⇒ 72
Equivalent discount = 28%
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