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SSC CPO 2020 PYQ — Question 127

SSC CPO - 23 Nov 2020 - Shift 2 • Quantitative Aptitude • Q127

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A single discount equivalent to three successive discounts of 8%, 15% and 12% is :

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Correct answer: B

Explanation

The correct answer is option 2 i.e. 31.184%

Successive discount of 8%, 15%, and 12% = 100 - (100×100−8100×100−15100×100−12100100\times\dfrac{100-8}{100}\times\dfrac{100-15}{100}\times\dfrac{100-12}{100})

= 100 - 68.816

= 31.184%