In a class 20 children were sharing equally the cost of a present for their teacher. when 4 of the children decided not to contribute each of the other children had to pay TA. 1.50 more. How much did the present cost?
Father is aged three times more than his son Ronit. After 8 years, he would be tow and a half times of Ronit's age. After further 8 years, how many times would he be of Ronit's age
A tap can fill a tank in 15 minutes and another can empty it in 8 minutes, If the tank is already half full and both taps are opened together, the tank will be:
There are two examination rooms, A and B, If 10 students are sent from A to B, then the number of students in each room is the same. If 20 students in A is double the number of students in B. The number of students in room A is:
In a local election X and Y contested. X won the election as the ratio to his votes and those of Y was 4:3 The total number of voters was 5810, of which 910 , did not vote. what is the margin of votes by which Y was defeated?
`A car going 40 miles per hour set out on an 80 miles trip at 9.00 A.M. Exactly 10 minutes latter, a second car left from miles per hour, was the second car going if it caught up with the first car at 10.30 A. M.?
There are 12 men on a basketball team, and in a game 5 of them play at any one time. If the game lasts 1 hour and each player plays exactly the same amount of time, how many minutes does each player play?
On a certai project, the only grades awarded were 745 and 100. If 85 students completed the projects and the average of their grades was 85, how many of them did score 100?
A club had 3 boys and 5 girls. During a membership drive, the same number of boy and girls joined the club. How many members does the club have now , if the ratio of the boys to girls is 3:4?
A steel mill produces 180 tons of steel per month Raw materials cost for each ton of production is Tk. 1200. Other expenses of that mill are Tk. 90,000 in each month what should be the selling price of each ton of steel in order to make 10% profit?
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