Question
A trader increases the cost price of an article by 20%
and then gives a discount of 10%. What is his overall profit or loss percentage?Solution
ATQ,
Let CP = 100. Marked Price = 120. Selling Price = 120 × 0.9 = 108. Profit = 8%.
- What will come in place of (?) in the given number series.
121, 100, 81, 64, ?, 36 What will come in place of the question mark (?) in the following series?
80, 200, 400, 600, ?, 300
2, 2, 6, 30, ?, 1890
What will come in place of the question mark (?) in the following series?
130, 158, 214, 298, ?, 550
- What will come in place of (?), in the given number series.
1, 1, 2, 3, 5, ?, 13 110, 156, 212, ?, 354, 440
What will come in place of the question mark (?) in the following series?
168, 120, ?, 48, 24, 8
Find the missing number in the given number series.
 305, 316, 302, ?, 295, 346Â
3   2    10   ?   17   16
99, 101, 107, 131, 251, ?