Question
The difference between a discount of 27% and two
successive discounts of 20% and 10% on a certain bill was ₹56. Find the amount of the bill.Solution
Get discount of 20% and 10% discount = 20% +10% - (20 × 10)/100 Net discount = 28% Difference = 28% -27% = 1% 1% = 56 100% = 5600 Amount of bill = Rs.5600
If a + 1/a = -2 then the value of a1000 + a- 1000 is
The simple interest accrued on a sum at the rate of 10% p.a. for two years is Rs. 5,000.
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