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Let the total number of people be 100x. Male = (40/100) × 100x = 40x Remaining people = 100x - 40x = 60x Number of females = 60x × 50/100 = 30x Number of children = 100x - (40x + 30x) = 30x 30x = 570 x = 19 Total number of people in a zoo is 1900.
A man deposited Rs. ‘x + 1000’ at 12% per annum simple interest and earned Rs. 528 as interest after 2 years. Find the interest earned by him if he ...
The simple interest on a certain sum of money for 4 years at 16% per annum is 2/5th of the compound interest on Rs. 6000 for 2 years at 20% p...
When Rs.6400 funded at SI of 12% p.a for certain years which gives an interest of Rs.3840. If Rs.5000 is invested at CI compounded annually of 1...
A invested Rs. ‘x’ in a scheme offering compound interest of 25% p.a. compounded annually. If at the end of 2 years, interest received by A was Rs. ...
A certain amount earns simple interest of Rs. 1600 after 4 years. Had the interest been 6% more, how much more interest would it have earned?
A sum of money, invested for 6 years on 5% per annum simple interest, amounted to ₹169 on maturity. What was the sun invested?
An amount is invested at a compound interest rate of 21% per annum, with compounding occurring once every 10 months. After 20 months, the interest earne...
₹2,500, when invested for 8 years at a given rate of simple interest per year, amounted to ₹3,725 on maturity. What was the rate of simple interest...
A invested Rs. ‘x’ in a scheme offering compound interest of 40% p.a. compounded annually. If at the end of 2 years, interest received by A was Rs. ...
Rs 2000 are invested at 5% p.a simple interest. If the interest is added to the principal after every 10 years, the amount will become Rs 4000 after
