A 210 m long train crosses a man walking at a speed of 4.5 km/h in the opposite direction in 12 seconds. What is the speed (in km/h) of the train?
For a trip of 800 km, a truck travels the first 300 km at a speed of 50 km/h. At what speed should it cover the remaining distance, so that the average speed is 60 km/hr?
A number, when divided by the sum of 335 and 265, gives three times the difference between 335 and 265 as the quotient and 35 as the remainder. What is that number?
Rani borrowed an amount of ₹2,00,000 from the bank to start a business. How much simple interest will she pay at the rate of 7% per annum after 2 years?
A blanket is sold for ₹1,148, which results in a loss of 30%. For how much should it be sold to gain 5%?
A student scored 80/80 marks in term 1 and 75/90 marks in term 2. What will be his percentage of final score, if the weightage given to the terms is 40% and 60%, respectively. (correct to the nearest integer)
The total surface area of a cylinder of diameter 10 cm is 330 square centimeters. Find the height of the cylinder?
A shopkeeper sells an item at a profit of 25% and dishonestly uses a weight that is 30% less than the actual weight. Find his total profit%.
How many spherical solid marbles, each having a radius of 0.3 cm, can be made from a solid sphere having a radius of
6 cm?
A shadow of a tower standing on a level ground is found to be 40√3 meters longer when the Sun's altitude is 30° than when
it is 60°. The height of the tower is:
Mohit's salary is ₹15,000 per month. He spends ₹5,000 on house rent, ₹2,000 on bills and rest of the amount is his monthly savings. Find his savings in a year, if in the month of his birthday he spent his complete monthly saving for birthday celebration
What will be the difference between the compound interest (interest is compounded annually) and simple interest on a sum of Rs. 3200 at the rate of 20% per annum for 2 years?
An amount becomes three times of itself on compound interest (compounding annually) in 4 years. In how many years at the same rate on compound interest (compounding annually) it will become 9 times of itself?
The C.I. on a certain sum of money for the 4th year at 8% p.a. is Rs. 486. What was the compound interest for the third year on the same sum at the same rate?
The amount obtained on a certain sum at compound interest (compounded annually) after 2 years and 3 years is Rs.11520 and Rs.13824 respectively. What is that amount?
The compound interest calculated at a certain rate on a certain sum of money, x for 2nd year and 3rd year is Rs. 770 and Rs. 847, respectively. Find the sum of money x (in Rs.).
The difference between compound interest and simple interest earned on Rs 15,000 in 2 years is Rs 384, find the interest rate per annum.
The simple interest on a certain sum at 6% per annum for three years is ₹1,200. Then, the compound interest on the same sum at the same rate for two years will be:
Find the difference between the simple interest and the compound interest payable annually on a sum of Rs. 6,500 at 7% per annum for 3 years. (Correct to two decimal places.)
The compound interest on a certain sum at 4% per annum (compounded annually) for 2 years is ₹ 102. On the same principal at the same rate for the same time, the simple interest will be:
A sum of ₹ 5000 is invested for two years under compound interest at 10% p.a, interest being compounded annually. The interest earned (in ₹) is:
What will be the difference between the compound interest (interest is compounded annually) and simple interest on a sum of Rs. 6400 at the rate of 10% per annum for 2 years?
A sum becomes 5 times of itself in 3 years. at compound interest (interest is compounded annually). In how many years. will the sum becomes 125 times of itself?
Find the difference between the compound interest and simple interest when a sum of Rs.15,625 is invested for 2 years at 4% per annum.
A sum of Rs. 4500 is lent at compound interest. If the rate of interest is 10% per annum (interest is compounded annually), then what will be the amount after 3 years?
A sum of ₹14000 is lent at compound interest (interest is compounded annually) for 3 years. If the rate of interest is 10%, then what will be the compound interest?
A sum becomes five times of itself in 8 years at simple interest. What is the rate of interest per annum?
The simple interest on a sum of money is of the principal, and the number of years is equal to 2 times the rate percent per annum. Find the rate percent.2.5%
Money was lent on simple interest. After 12 years, its simple interest becomes of the money. Find the rate of interest.
What will be the simple interest on a principal of Rs. 2250 for 5 years at the rate of 6 percent per annum?
An amount of Rs. P was put at simple interest at a certain rate for 4 years. If it had been put at a 6% higher rate for the same period, it would have fetched Rs. 600 more interest. What is the value of 2.5 P?
A financial institution claims that it returns three times the principal in 25 years on a certain rate of simple interest per annum. What is the rate of simple interest?
At what annual rate (rounded off to the nearest integer) of simple interest will a sum of money become five times its initial value in 18 years?
The simple interest earned on Rs. 7,000 in 2 years at the rate of R% per annum equals to the simple interest earned on Rs. 5,000 at the rate of 5% per annum in 14 years. The value of R (in percentage) is:
A sum of money was invested at the rate of 7.5% simple interest per annuum for 4 years. If the investments were for 5 years, the interest earned would have been Rs. 375 more. What was the initial sum invested?