Question
A shopkeeper marks an item at Rs. 1200 and gives a
discount of 15%. He still earns a profit of 20% on cost. Find the cost price.Solution
ATQ,
Selling price = 1200 – 15% of 1200 = 1200 – 180 = 1020 1020 = CP + 20% of CP 1020 = 1.2 CP CP = 1020 / 1.2 CP = 850
What will come in place of the question mark (?) in the following series?
77, 198, 342, 511, 707, ?
86, 127, ?, 209, 250, 291
8, 15, 44, 175, 874, ?
120, 120, ?, 360, 900, 2700
11 20 ? 64 112 192
...4 10 ? 62.5 156.25 390.625
...152 142 122 ? 52 2
Find the missing number in the given number series.
6, 13, 32, 87, ?, 737
16, 16, 32, 96, ?, 1920
What will come in place of the question mark (?) in the following series?
5, 14, 41, 122, 365, 1094, ?