For the following questions answer them individually
A principal is lent at a certain rate of compound interest (compounding annually). The amount at the end of 1 years is Rs. 1150 and at the end of 2 years is Rs. 1322.5. What is the principal?
If the cost price of an article is 5/8 of its selling price, then what is the profit percentage?
C alone can complete a work in 50 days and D alone can complete the same work in half of the time taken by C. In how many days will both together complete 3/10 part of the total work?
A merchant marks the price of his article 40 percent above the cost price. He gives some discount on it and earns a profit of 10 percent. What is the discount percentage?
Height of a cone is 24 cm and radius of its base is 10.5 cm. What is the volume of the cone?
Rs. 7400 is divided among A, B and C in the ratio of 9 : 12 : 16 respectively. What is the share of B?
Average of 28 observations is 53. Average of first 11 observations is 54. Average of last 18 observations is 52.5. What is the value of $$11^{th}$$ observation?
The ratio of two numbers is 3: 5. If their product is 3375, then what is the sum of both numbers?
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