The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. The sum of the numbers is :
The value of (1+.1+.01+.001) is :
What mathematical operation come at the place of '?' in the equation : 2?6-12/4+2=11.
A boy was asked to multiply a number by 25. He instead multiplied the number by 52 and got the answer 324 more than the correct answer. The number to be multiplied was :
Three-fifth the square of a certain number is 126.15. What is the number?
The average of 2, 7, 6 and x is 5 and the average of 18, 1, 6, x and y is 10. What is the value of y?
A number is as much greater than 36 as the less than 86. Find the number.
A two-digit number becomes five-sixth of itself when its digits are reversed. Two digits differ by one. The number is :
The ratio between the present ages of P and Q is 6 : 7. If Q is 4 years older than P, what will be the ratio of the ages of P and Q after 4 years?
The profit earned by selling an article for Tk. 832 is equal to the loss incurred when the same article is sold for Tk. 448. What should be the sale price for making 50% profit?
The ratio of three numbers is 3 : 4 : 7 and their product is 18144. The numbers are :
P and Q started a business investing Tk. 85,000 and Tk. 15,000 respectively. In what ratio the profit earned after 2 years be divided between P and Q respectively?
A does a work in 10 days and B does the same work in 15 days. In how many days they together will do the same work?
Pipe A can fill a tank in 5 hours, pipe B in 10 hours and pipe C in 30 hours. If all the pipes are open, in how many will the tank be filled?
An athlete runs 200 metres race in 24 seconds. His speed is :
How long does a train 110 metres long running at the speed of 72 km/hr take to cross a bridge 132 metres in length?
In one hour, a boat goes 11 km along the stream and 5 km against the stream. The speed of the boat in still water (in km/hr) is :
Reena took a loan of Tk. 1200 with simple interest for as many years as the rate of interest. If she paid Tk. 432 as interest at the end of the loan period, what was the rate of interest?
At what rate of compound interest per annum will a sum of Tk. 1200 become Tk. 1348.32 in 2 years?
The length of a room is 5.5 m and width is 3.75 m. Find the cost of paying the floor by slabs at the rate of Tk. 800 per sq. metre.
In a 100 m race, A covers the distance in 36 seconds and B in 45 seconds. In this race A beats B by :
How many times do the hands of a clock coincide in a day?
A man buys Tk. 50 shares in a company which pays 10% dividend. If the man gets 12.5% on his investment, at what price did he buy the shares?
The difference between the place value and the face value of 6 in the numeral 856973 is --
The difference between a number and its two-fifth is 510. What is 10 percent of that number?