Question
A trader blends two types of rice, one costing ₹60 per
kg and the other ₹80 per kg, in a 3:5 ratio. He sells the mixture at ₹75 per kg. What is his profit or loss percentage?Solution
Cost of 1 kg of the mixture = (3 × ₹60 + 5 × ₹80) ÷ (3 + 5) = (₹180 + ₹400) ÷ 8 = ₹580 ÷ 8 = ₹72.5. Selling price = ₹75. Profit or loss percentage = [(75 - 72.5) ÷ 72.5] × 100 = 3.45%. Answer: c) 3.45% profit.
128 ÷ 22 × ? = 15% of 300 ÷ 9
[3/5 of (31 + 44) – 10] ÷ 7 = ?
In the question, two Quantities I and II are given. You have to solve both the Quantity to establish the correct relation between Quantity-I and Quantit...
64.5% of 800 + 36.4% of 1500 = (?)² + 38
What should come in place of (?) question mark in the given expression.
1440 ÷ (6 × 4) + 2⁵ = ?
Simplify the following expressions and choose the correct option.
(63 ÷ 8) + (52 * 3) - 42
172 - 92 + 121 - 74 = ?
√1444 + √729 – √2116 = ?
22% of 280 + 34% of 1080 × 5/12 =? + 16% of 460
√1764 + 35 × 8 + 39 = ?2