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Let the speed one train be x m/s and the speed of the second train be y m/s. Length of the first train = Speed × Time = 26x Length of second train = Speed × Time = 16y So, {(26x + 16y)/(x+y)} = 18 ⇒ 26x + 16y = 18x + 18y ⇒ 8x = 2y Therefore, x:y = 1:4
Find the ratio of simple interest and compound interest compounded annually received on a certain sum of at 20% rate of interest after two years respect...
Rs. 5500 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 16% ...
A man invested certain sum at 5% p.a. simple interest for his son who was 15 years old. If the amount received by the son when he was 30 years old is Rs...
A certain sum is invested at an interest rate of 24% per annum, compounded annually, for 2 years, and the compound interest earned after this period is ...
A man purchases some number of apples at the rate of 36 apple for Rs. 1. How many for a rupee did he sell to gain 12.5%.
Sunil invested Rs. ‘5x’ in scheme ‘A’ offering simple interest of 25% p.a. and reinvested the interest earned from scheme ‘A’ at the end of ...
A certain sum amounts to ₹13000 after 4 years and to ₹16000 after 8 years at the same rate percent p.a. at simple interest. The simple interest (in ...
A certain sum when invested for 3 years in a scheme offering simple interest of 15% p.a. gives an interest of Rs. 693. What is 125% of the sum invested?
What is the maturity value of Rs.25000 at the end of 2 years at 9.25% Simple Interest?
if the interest is compounded half-yearly, calculate the amount when the principal is Rs.4000, the rate of interest is 22%.solve the question
