Question
A, B and C start a business by investing Rs. 7,000/-,
Rs. 8,000/- and Rs. 12,000/- respectively. After a year, B gets Rs. 3,200/- as his share of profit. What is the total profit?Solution
Given: A invests = ₹7,000 B invests = ₹8,000 C invests = ₹12,000 B’s share of profit = ₹3,200 Time = 1 year (same for all) So profit is divided in ratio of investment: A : B : C = 7000 : 8000 : 12000 Simplify the ratio: Divide all by 1000 = A:B:C=7:8:12 Total parts = 7+8+12=27 B’s share is 8 parts out of 27 Let total profit = P 
What should come in place of (?) question mark in the given number series.
81, 73, 66, 60, 55, ?
14 6 4 4 ? 48
...What should come in place of (?) question mark in the following number series.
5, 11, 23, 47, 95, ?
In each of the following number series, one term is missing. Find the missing term.
1, 4, 9, 16, 25, ?
What will come in place of the question mark (?) in the following series?
4, 11, 32, 95, 284, 851, ?
156, 182, 210, 240, 272, ?
31    32      35      ?      47       56
...What should come in place of (?) question mark in the following number series.
1, 2, 6, 24, 120, ?
What value should come in the place of (?) in the following number series?
71, 72, 76, 103, ?, 244254, ?, 1022, 1150, 1214, 1246
