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To maintain sentence consistence, ‘existed’ should be changed to ‘exists’. “If life exists on Mars, …”
Aman invested 20% of an amount, denoted as Rs. 'P', in a compound interest scheme with an annual interest rate of 10%, compounded annually. After 2 year...
Rajat invested Rs. (P-100) on compound interest at the rate of ‘R’ % per annum compounded annually. Ravi invested Rs. (P+300) on simple interest at ...
The difference between compound interest and simple interest at rate of 20% per annum for 2 years is Rs. 240. Find the simple interest obtained on same ...
X invested Rs. 3600 at an annual simple interest rate of (a + 10)% and Rs. 2400 at an annual simple interest rate of a%. After 3 years, the total intere...
Rohan had Rs. 5000 with him. He invested 40% of the sum at 10% p.a. and the rest at 15% p.a., both at simple interest for 3 years each. Find the total i...
The difference of simple interest from two banks on Rs. 8,000 in 3 years is Rs. 800. If the rate of interest per annum in two banks is R1 and R2, then w...
Rs. 8,000 is invested in scheme ‘A’ offering simple interest of 18% p.a. and Rs. 6,000 in scheme ‘B’ offering simple interest of 7% p.a. What is...
Rs. (x + 800) is invested at 12% simple interest per annum for 5 years. The interest earned is Rs. (x - 320). If Rs. (x - 400) is...
A sum of money doubles itself in 5 years at simple interest. In how many years will it become 5 times itself at the same rate of interest?