Question
A shopkeeper buys 15 kg of sugar at ₹20 per kg. He
mixes it with 5 kg of sugar purchased at ₹30 per kg. If he sells the mixture at ₹25 per kg, what is his profit or loss percentage?Solution
Cost of 15 kg sugar = 15 × 20 = ₹300 Cost of 5 kg sugar = 5 × 30 = ₹150 Total cost = ₹300 + ₹150 = ₹450 Total weight = 15 + 5 = 20 kg Cost price per kg = 450 / 20 = ₹22.5 Selling price per kg = ₹25 Profit per kg = 25 - 22.5 = ₹2.5 Profit percentage = (2.5 / 22.5) × 100 = 11.11% Correct answer: a)
To find the Next number in the given series.
6 9 13 19 29 47 ?
...The series given below contains a sequence of numbers. Accordingly identify the incorrect number.
85, 84, 81, 88, 77, 92, 72
104 106 110 113 ? 126
0 2 6 12 20 ?
...If 4 10 16 26 x 50
Then find the value of (x² - 1) + ( x² + 1).
...315 146 267 ? 235 210
94, 563, 2813, ? 33743, 67481
3456 1728 2592 6485 22680 102060
...1,2, 5, ‘?’, 41, 122, 365
Given below are two number series I and II where each series has a wrong (odd one out) number. The number that will actually come in place of the wrong ...
