• 511 The sum of the squares of three numbers is 532 and the ratio of the first and the second as also of the second and the third is 3 2. Then the first number is ›
• 512 Three shirts and Five ties cost Tk. 23. Five shirts and one tie cost Tk. 20. What is the price of one shirt? ›
• 513 The diameters of two circles are the side of a square and the diagonal of the square. The ratio of the area of the smaller circle and the larger circle is ›
• 514 The one-third of the complementary angle to 60° is ›
• 515 The sum of two integers is 36, and the difference is 6. What is the smaller of the two numbers? ›
• 516 Three workers can do a job in 12 days. Two of the workers work twice as fast as the third. How long would it take one of the faster workers to do the job himself ? ›
• 517 The angle measure of the base angles of an isosceles triangle are represented by x and the vertex angle is 3x + 10. Find the measure of base angle. ›
• 518 The difference between two numbers is 5 and the difference between their squares is 65. What is the larger number? ›
• 519 The perimeter of a rectangle is 104 inches. The width is 6 inches less than 3 times the length. find the width of the rectangle. ›
• 520 The sum of two positive integers multiplied by the bigger number is 204, and their difference multiplied by the smaller number is 35. The numbers are: ›
• 521 Tk. 355 has been divided among A, B, C in such a way that A had Tk. 20 more than B and C had Tk. 15 more than A. How much was C’s share? ›
• 522 If x + y > 5 and x – y > 3, then which of the following gives all possible value of x and only possible values of x? ›
• 523 In a new production process, the number of units produced during the first week was 450. If the efficiency gradually increase so that 10 additional units can be produced each week, how many will be produced in the 10th week? ›
• 524 log28+32log33√9log28+32log393 এর মান- ›
• 525 Pipe A alone can fill a tank in 8 hours. Pipe B can fill it in 6 hours. If both the pipes are opened and after 2 hours pipe A is closed, then the other pipe will fill the bank in ›
• 526 If x = y^a, y=z^b and z = x^c then abc is ›
• 527 In a row in the theatre the seats are numbered consecutively form T1 to T50. Sumon is sitting in seat T17 and Shajib is sitting in seat T39. How many seats are there between them? ›
• 528 loga√2=1/6 হলে, a=কত? ›
• 529 Profit/loss% when selling 4 mangoes at buying price of 5 ›
• 530 If x is an even number, what is the difference between the smallest even number grater than (5x + 6) and the largest even number less than (3x + 9)? ›
• 531 In a series of 6 consecutive odd numbers if 15 is the 6th number, what is the 4th number in the series? ›
• 532 logx 1/9= -2 হলে x এর মান কোনটি? ›
• 533 Rahim and Karim donated Tk. 100 each in charity. Karim gives each Tk. 1 more than Rahim and Rahim distributes money to 5 more people than Karim. How many people are there in this charity? ›
• 534 If x-1/x=√3 thent x+1/x =? ›
• 535 In an office, the ratio of female to male employees is 1:4 . What percentage of the employees are male ? ›
• 536 Materials for rain-proof coast and tents owe their water-proof properties to ›
• 537 Rahim borrowed Tk. 800 at 6% per annum and Karim borrowed Tk. 600 at 10% per annum. After how much time, will they both have equal debts? ›
• 538 If the interest of Tk. H at 1% in 4 years is Tk. H, then H =? ›
• 539 If x:y = 5:2, then (8x + 9y): (8x + 2y) is ›
• 540 In each expression below. N represents a negative integer. Which expression could have a negative val ue? ›