For the following questions answer them individually
A sum of ₹10,500 deposited 2 years ago, compounded annually, with the rate of interest 10% per annum during the first year, and 12% per annum during the second year, will amount to ________.
Find the value of $$40 - \left[20 - \left\{14 - \left(16 - 6 \times 4 - 2\right)\right\}\right]$$.
A company charges 10% per annum compound interest on loan. A sum of ₹2,20,000 is given by the company for a period of 2 years. The company compounded the interest every six months instead of every year. How much money would have been saved by the borrower if the company compounded the interest annually (rounded up to one decimal place)?
Arun bought a laptop from Sanchit for Rs.1,12,500. Sanchit earned a profit of 25% on the laptop. Raman sold the laptop to Sanchit at a gain of 20%. How much did Raman pay to buy the laptop?
Out of 10 persons, 9 persons spent ₹15 each on their breakfast. The tenth person spent ₹9 more than the average expenditure of all of them. The total amount spent by all of them is:
A company offers three types of successive discounts: First offer: 25% and 5%, Second offer: 20% and 10%, Third offer: 15% and 15%. Which offer is the best for a customer?
If a shopkeeper mixes two types of pulses worth Rs.80 per kg and Rs.95 per kg, in the ratio 2:3, then what is the average cost of the mixture?
A can do a piece of work in 20 days and B can do the same in 24 days. How many days will they take if both work together?