Question
Find the single equivalent discount for successive
discounts of 12%, 18%, and 25% on the marked price of a car.Solution
Given - D 1 = 12%, D 2 =18, D 3 = 25% As we know that D 1 +D 2 -(D 1 ×D 2 )/100 12+18- (12×18)/100 =30-2.16 =27.84 Again- 27.84 + 25 -(25×27.84)/100 =52.84 -6.96 =45.88%
- If the mean proportion of 3.6 and 1.6 is 'k', then find the value of '5k'.
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What is the fourth proportional to 2, 5, 12?
