Which of the following series of discounts is the best for a customer? (A) Successive discounts of 10% ,20%,30% (B) Successive discounts of 20%,20%,20% (C) Successive discounts of 15%,15%,15%,15% (D) Successive discounts of 20%,40% a) A b) B c) C d) D e) A and B

Which of the following series of discounts is the best for a customer?
(A) Successive discounts of 10% ,20%,30%
(B) Successive discounts of 20%,20%,20%
(C) Successive discounts of 15%,15%,15%,15%
(D) Successive discounts of 20%,40%
a) A
b) B
c) C
d) D
e) A and B
by

1 Answer

Answer :

consider the price as 100
A = 100 × 0.9 × 0.8 × 0.7 =50.4
B = 100 × 0.8 × 0.8 × 0.8=51.2
C = 100 × 0.85 × 0.85 × 0.85 ×0.85 ~ =52.2
D = 100 × 0.8 × 0.6 =48
We see that the maximum discount of 52% (100-48) is on D, which is the best for a
customer.
Answer : d
by

Related questions

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Last Answer : consider the price as 100 A = 100 × 0.9 × 0.8 × 0.7 =50.4 B = 100 × 0.8 × 0.8 × 0.8=51.2 C = 100 × 0.85 × 0.85 × 0.85 ×0.85 ~ =52.2 D = 100 × 0.8 × 0.6 =48 We see that the maximum discount of 52% (100-48) is on D, which is the best for a customer. Answer : d

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