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Speed of train = 108 km/hr = 108 × (5/18) = 30 m / sec If the length of bridge be x metre, then ⇒ 30 = (400 + x)/35 ⇒ 400 + x = 1050 ⇒ x = 1050 – 400 = 650 metre
The difference of S.I and C.I on an amount of Rs. 20000 for 2 years is Rs. 162. What is the rate of interest?
A person borrows Rs 400 at 5% compound interest per annum. If he returns Rs 200 after one year, then how many more rupees will he have to pay at the end...
‘J’, ‘K’ and ‘L’, each of them invested Rs. 5000 at the rate of 18% p.a., 22% p.a. and 40% p.a., respectively for 6 years, 5 years and 3 yea...
Suresh earned an interest of Rs. 1419 on principal amount of Rs. 4400 at some rate of compound interest in 2 years. How much more/less interest would he...
The interest earned when a sum is invested at simple interest of 20% p.a., for 3 years, is Rs. 1500. What will be the total amount received after 2 year...
If Rs. 10,000 is invested at a simple interest rate of 8% per annum, it accrues Rs. 1,200 as interest over a period of 't' years. Given the same duratio...
A certain sum of money will be doubled in 25 years at the rate of simple interest percent per annum is:
Rs. 5,200 is split into two parts. One part is invested at a simple interest rate of 12% per annum, while the other part is invested at a compound inter...
The simple interest earned on ₹3,000 at a rate of 8% per annum for 4 years is ₹x. If ₹2,520 is the simple interest earned on ₹5,000 at a rate of...
Raj invested equal amounts in two schemes x and y at compound interest. In scheme x, the rate of interest was 8% per annum and in scheme y the rate of i...
