The price of any diamond is promotional to the square of its weight. A diamond was broken into four pieces by an accident. The weights of these four pieces were in the ratio of 1: 2: 3: 4. The total price obtained by selling four pieces was Rs. 70,000 less than the original price of the diamond. The original price of the diamond in rupees was
Correct Answer : D
A milkman mixes 20 litres of water with 80 litres of milk. After selling one-fourth of this mixture, he adds water to replenish the quantity that he has sold. What is the current proportion of water to milk?
Two trains, one from P to Q and the other from Q to P, start simultaneously. After they meet, the trains reach their destinations after 9 hours and 16 hours respectively. The ratio of their speeds is
A invested Rs 76000 in a business. After few months, B joined him with Rs 57000. The total profit was divided between them in the ratio 2 : 1 at the end of the year. After how many months did B join?