Question
Profit percentage received on a product when sold for
Rs. 450 is equal to the percentage loss incurred when the same product is sold for Rs. 230. Find the selling price of the product if the shopkeeper wants to have a profit of 25%.Solution
Let, the cost price of the article be Rs. x According to the question, 450 – x = x – 230 Or, 2x = 680 Or, x = 340 Selling price of the product at profit of 25% = 340 × 1.25 = Rs. 425
- What will come in place of (?), in the given number series.
1, 4, 9, 16, ?, 36 {(12√5 + 6√5 )} ×{(10√5 - 5√5 )} - 8² + 6² = ?
11          20          ?             64          112        192
...350 435 367 ? 384 401
...0, 6, 24, ?, 120, 210
21, 37, 73, 137, ?, 381
What will come in place of the question mark (?) in the following series?
4, 11, 32, 95, 284, 851, ?
18, 34, 70, 134, ?, 378
120, 136, 111, 147, ?, 162
What will come in place of the question mark (?) in the following number series?
124, 131, 117, ?, 110, 145