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kipiarov [429]
3 years ago
11

A television was sold at a gain of 20% after allowing a discount of 20% on its marked price . Had it been sold after allowing 25

% discount there would have been a gain of Rs.1450. Find the marked price of the television.​
Mathematics
1 answer:
Novay_Z [31]3 years ago
6 0

Answer: The marked price is 40% more than the original price

40% - 25% = 15% or 1450

Marked price = 140%

140 × 1450 ÷ 15 = 13533. 33

Step-by-step explanation:

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Answer:

\large\boxed{S.A.=4500\pi\ in^2\approx14130\ in^2}

Step-by-step explanation:

The formula of a surface area of a ball (sphere):

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If you want to get an approximation, then:

\pi\approx3.14\\\\S.A.\approx(4500)(3.14)=14130\ in^2

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Step-by-step explanation:

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