• 631 If A : B =3 : 4 and A : C =6 : 5 then C : B = ? ›
• 632 If an article is sold for TK. 250, the sellers makes 25% loss on cost. What is cost ? ›
• 633 If (89)^2 is added to the square of a number, the answer so obtained is 16202. What is the 1/26 of that number? ›
• 634 If 2kg of metal, of which is zinc and the rest is copper, be mixed with 3kg of metal, of which is zinc and the rest is copper, then what will be the ratio of zinc to copper in the mixture? ›
• 635 If a >b> 1, then which of the following is true? ›
• 636 If An organization increases its staff salary by 25% . By what percent must it now decrease the salary to return to the original amount ? ›
• 637 If * is defined for all positive real numbers a and b by a *b= ab/a+b, then 10 * 2 =? ›
• 638 If 2n – 64, then the value of n is: ›
• 639 If a + 1, 2a + 1, 4a – 1 are in Arithmetic Progression, then the value of ‘a’ is: ›
• 640 If in 1997 , 1998 and 1999 a worker received 10% more in salary each year than he did the previous year, how much did he receive in 1999 than in 1997 ? ›
• 641 If 0 ≤ x ≤ 4 and y < 12, which of the following cannot be the value of xy? ›
• 642 If 35% of a number is 12 less than 50% of that number, then the number is: ›
• 643 If a + 1/a =2 what is a^3 +1/a^3? ›
• 644 If it is 300 kilometers from Dhaka to Chittagong and 180 kilometers form Dhaka to Comilla , what percentage of the distance from Dhaka to Chittagong is the distance form Dhaka to Comilla ? ›
• 645 If 1 – 3x ≤ 4, then ›
• 646 If 3x-7y = 0 and x + 2y = 13 then y is ›
• 647 If a + 2b = 6 and ab = 4 what is 2/a + 1/b ? ›
• 648 If machine A polishes x units in 12 minutes and machine B polishes 5x units in 40 minutes, in how many minutes will A and B. working together, polish 50x units? ›
• 649 If 1 < x < 7 and 5 > y > 2, which of the following must be true? ›
• 650 If 4 workers can do a job in 48 days, how long will it take 3 workers to finish the same job ? ›
• 651 If a + 2b = 6 and ab = 4, what is 2/a + 1/b? ›
• 652 If Marie has twice as much money as Curie has, who has three times as much money as Sunny as has, what is the ratio of the amount of money Sunny has to the amount of money Marie has ? ›
• 653 If 1 + sin θ = x cos θ, then tan θ is ›
• 654 If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number? ›
• 655 If A = {1, 2, 3, 4, 5), then the number of proper subsets of A is ›
• 656 If p + q = 7 and pq = 12, then what is the value of 1/p² + 1/q²? ›
• 657 If 1-2x≤3, then ›
• 658 If 4x^(2x+1) +1= 32, then x = ? ›
• 659 If A and B are in the ratio 3 : 4, and B and C in the ratio 12 : 13, then A and C will be in the ratio ›
• 660 If product of 3 different positive integers is 6, twice their sum is ›