পিতা ও পুত্রের বর্তমান বয়সের অনুপাত ৩ঃ১ এবং ৫ বছর পরে তাদের বয়সের অনুপাত ৫ঃ ২ হবে। তাদের বর্তমান বয়স কত?
x+y=2 x2+y2=4 x3 +y3 এর মান নির্ণয় করুন।
An item costs 90% of its original price. If Tk. 90 is added to the discount price, the cost of the item will be equal to its original price. What is the original price of the item?
If mx+ny=12my, then x/y+n/m= ?
If n is an integer between 0 and 100, then any of the following could (3n+3) except ---
A merchant sells a radio for Tk. 80 and thereby makes a profit of 25% of the cost. What is the ratio of cost to selling price?
A class of 50 girls and 70 boys sponsored a party. If 40% of the girls and 50% of the boys attended the party, approximately what percent of the class attended?
A sales representative will receive a 15% commission on a sale of Tk. 28,000. If she has already received Tk. 1500 as an advance of that commission, how much more is due on the commission?
A painter has painted one-third of a rectangular wall which is ten feet high. When he will paint another 75 square feet of that wall, he will have finished three-quarters of the job. What is the length (the horizontal dimension) of the wall?
Three business partners Q, R, and S, agree to divide their total profit for a certain year in the ratios 2 : 5 : 8, respectively. If Q's share was Tk. 4000, what was the total profit of the business partners for the year?
A restaurant meal costs Tk. 35.50 and there was no tax. If the tip was more than 10 percent but less than 15 percent of the cost of meal, then the total amount paid must have been between --
Hashem wants to put up fencing around three sides of his rectangular yard and leave a side of 20 feet unfenced. If the yard has an area of 680 square feet, how many feet of fencing does he need?
Increasing the original price of an article by 15 percent and then increasing the new price by 15 percent is equivalent to increasing the original price by ---
In a weight-lifting competition, the total weight of Joe's two lifts was 750 pounds. Twice the weight of his first lift was 300 pounds more than the weight of his second lift. What was the weight, in pounds, of his first lift?
The average of 6 numbers is 8.5. When one number is discarded, the average of the remaining numbers becomes 7.2. What is the discarded number?
A club collected exactly Tk. 599 from its members. If each member contributed at least Tk. 12, what is the largest numbers the club could have?
A union contract specifies a 6 percent salary increase plus a Tk. 450 bonus for each employee. For a certain employee, this is equivalent to 8 percent salary increase. What was this employee's salary before the new contract?
If x and y are prime numbers, which of the following cannot be the sum of x and y?
A certain type of wall for a house costs Tk. 10.50 per square yard. What does it cost to make a wall 4 yards wide and 60 feet long?
A business firm reduces the number of hours its employees work from 40 hours per week to 36 hours per week while continuing to pay the same amount of money. If an employee earned x taka per hour before the reduction in hours, how much does he earn hour under the new system?