Question
Profit percentage received on a product when sold for
Rs.550 is equal to the percentage loss incurred when the same product is sold for Rs.420. Find the selling price of the product if the shopkeeper wants to have a profit of 20%.Solution
Let the cost price of the article be Rs.x. According to the question, => 550 – x = x – 420 => 2x = 970 => x = 485 Selling price of the product at profit of 20% = 485 x 1.2 = Rs.582
200 ? 96 38.4 7.68 0
36, 72, 47, 63, ?, 58
4, 12, 36, 108, ?, 396
15, 31, 67, 131, ?, 375
In each of the following series, one term is missing. Find the missing term.
5, 13, 29, 61, 125, ?
What should come in place of (?) question mark in the following number series.
256, 128, 64, 32, 16, ?
12, 27, ?, 113, 141, 285, 313
11, ? 220,  660, 1320,  1320Â
2.5, 5, 15, 60, ?, 1800, 12600Â
- What will come in place of the question mark (?) in the following series?
6, 6, 9, ?, 32, 56