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 
A body is said to be in equilibrium when:
Which polymer is used in the production of bullet-proof materials?
Which one among the following statements is not true for Mammals?
Which of the following is a chemical change?
Which vitamin is also known as Vitamin-B2?
If the root mean square speed of gas molecules is doubled, the absolute temperature of the gas:
Which vitamin helps in improving night vision?
Which vitamin is essential for RBC formation?
Which of the following statements for the given chemical reaction is true?
Fe₂ O₃ + 2Al → Al₂ O₃  + 2Fe
The force which opposes the relative motion between different layers of liquid or gases is called –
