Bank Math

If (p/q)^n-1=(q/p)^n-3, the value of n is -

The radius of circle A is r, and the radius of circle B is 3r/4 . What is the ratio of the area of circle A to the area of circle B ?

If the universal set consists of two sets A and B, then the complementary set of A is-

Mr. A multiplies a number by 3 instead of dividing by 3. Resultant number is what percentage of the correct value?

a, b, c, d চারটি ক্রমিক স্বাভাবিক সংখ্যা হলে নিচের কোনটি পূর্ণবর্গ সংখ্যা?

A train 240m long passed a pole in 24 seconds. How long will it take to pass a platform 650m long?

The volume of a rectangle with length, breadth, and height as 5x, 3x² and 7x⁴

In the figure ABCD is a square. If the length of the square is 10ft, then what will be the area of the triangle OCD?

Siddik has a new set of golf clubs. Using a club 8, 7, and 6 the ball travels an average distance of 100m, 108m, 114m respectively. How far will the ball go if he uses a club 5?

Tom, Dick and Harry went for lunch to a restaurant. Tom had $100 with him, Dick had $60 and Harry had $40. They got a bill for $104 and decided to give a tip of $16. They further decided to share the total expenses in the ratio of the amounts of money each carried. The amount of money which Tom paid more than what Harry paid is-

The total ages of father and son is 42 years and the difference of thier ages is 22 years. What is son's age now?

If a ladder touches the roof of a wall and makes an angle of 30° with the 15 metre long wall, then the length of the ladder is-

Sue planted 4 times as many apple seeds as she planted orange seeds 15% of the apple seeds grow into trees and 10% of the orange seeds grew into trees. If a total of 420 apple trees and orange trees grew from the seeds, how many orange seeds did Sue plant? 

Find the remainder when 7¹¹ + 7¹¹¹ + 7¹¹¹¹ is divided by 8.

What values of x satisfy the inequality 2 - 3x > 1?

A frog is sitting on vertex A of a square ABCD. It starts jumping to the immediately adjacent vertex on either side in random fashion and stops when it reaches point C. In how many ways can it reach point C if it makes exactly 7 jumps?

In the figure above, (a + b + c)/(s + t + u) = ?

Which of the following numbers is divisible by 3?

The area of a rectangle R with width 4 ft is equal to the area of a square S, which has a perimeter of 24 ft. the perimeter of the rectangle R, in feet, is

A father's age was 5 times his son's age 5 years ago and will be 3 times son's age after 2 years. The ratio of their present ages is -