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Start learning 50% faster. Sign in nowLet the total number of students in school B be ‘x’. Therefore, total number of students in school A = 1.2x Number of boys in school A = 0.90 × 1.2x = 1.08x Number of boys in school B = 0.8x Required % = [(1.08x – 0.8x)/0.8x] × 100 = 35%
Suresh earned an interest of Rs. 774 on principal amount of Rs. 2400 at some rate of compound interest in 2 years. How much more/less interest would he ...
A sum is lent on compound interest for 2 years at 13% p.a. If the compound interest on the sum is Rs.3045.9, find the sum.
A sum of ₹12,000 is invested at a rate of 5% per annum for 3 years. What will be the total amount at the end of the investment period, including inter...
What principal amount, when invested at an annual simple interest rate of 3.6% for 15 years, will generate an interest of Rs. 4,050?
A certain sum of money yields Rs.1261 as compound interest for 3 years at 5% per annum. Find the sum.
The simple interest on a sum of money is 9/35 of the sum. If the number of years is numerically 5/7 times of rate percent per annum, then the rate perc...
Rs. 8000 is invested in scheme ‘A’ for 3 years and Rs. 4000 is invested in scheme ‘B’ for 2 years. Scheme ‘A’ offers simple interest of 6% p...
What is the Simple Interest earned on Rs.2400 in 4 years 6 months at the rate of 4.5% per annum?
A certain amount earns simple interest of Rs. 1480 after 3 years. Had the interest been 5% more, how much more interest would it have earned?