Question
The sudden fall of atmospheric pressure indicates
–Solution
Atmospheric pressure is basically the weight of air in the atmosphere above the reservoir, so the level of mercury continues to change until the weight of mercury in the glass tube is exactly equal to the weight of air above the reservoir.
A man deposited Rs. ‘x + 850’ at 12% per annum simple interest and earned Rs. 552 as interest after 2 years. Find the interest earned by him if he d...
- Calculate the total return on Rs. 60,000 invested for 2 years at 15% p.a. simple interest.
- Rahul borrowed Rs. 25,000 from City bank at a simple interest of 10% p.a. If he has to repay Rs. 28,750 after ‘p’ months to clear all his debts, find t...
- Ravi invested ₹P in a compound interest scheme at an annual interest rate of r% for 1 year. Meanwhile, Kriti invested ₹2P in a simple interest scheme a...
Rs. 15,000 invested at simple interest of 7% p.a. yields the same interest after 4 years as Rs. 25,000 when invested at simple interest of 'y%' p.a. yie...
- An amount becomes Rs. 11,520 after 3 years at a simple interest rate of r% p.a. If the rate had been increased to (r + 5)% per annum, the same sum would be...
If Vipul invests Rs.’a’ in scheme ‘M’ with a compound interest rate of 20% p.a. for two years, and the total amount received from scheme ‘M’...
If Rs. 25,000 is loaned at a compound interest rate of 50% per annum, and the interest is compounded once every year, what will t...
A certain sum of money becomes 5 times of itself in 25 years at simple interest. In how many years does it become double of itself at the same rate of s...
A sum of Rs. 3700 is invested at simple interest for 2 years. If the rate interest for first year is 12% p.a. while 20% p.a. for second year, then find ...
Relevant for Exams:
