What will be the difference between simple interest and compound interest earned on a sum of Rs.985 at the rate of 14% p.a at the end of two years? 

A invested ₹ 20000 with the rate of interest of 20 percent per annum. The interest was compounded half-yearly for 1st year and in the next year, it was compounded yearly. Find the total interest earned at the end of 2 years? 

A shopkeeper sold a TV set for ₹ 17940 at a discount of 8% and gained 19.6%. If no discount is allowed, what will be his gain percent? 

What will be the difference between the simple interest and compound interest earned on a sum of ₹ 985 @ 14% p.a at the end of 2 years? 

What is the compound interest on ₹ 18500 in 2 years, if rate of interest is 10% for 1st year and 12% for second year. 

Aman gets lumpsum amount on retirement. He spends 40% on buying house, and 30% of the remaining he spends on his daughter's marriage. From the balance he invests 75% in a business and finally he is left with ₹ 341670. Find the sum Aman will get on his retirement. 

Deepak scored 84 marks in subject X. He scored 72% marks in subject Y and P marks in subject Z. The maximum marks in each subject was 150. The overall percentage marks obtained by Deepak in all three subject together was 62%. How many marks he scored in subject Z? 

If the cost of 9 chairs and 14 tables is ₹ 49650. What is the cost of 27 chairs and 42 tables? 

Sudhir purchased a TV set for ₹ 14500 and spent ₹ 800 on transportation and ₹ 900 on installation. Find the price at which he should sell it so as to earn an overall profit of 18%?