Bank Math

In the figure, AD and BC are lines intersecting at O. What is the value of a?

The volume V of a right circular cylinder is V = πr²h where r is the radius of the base and h is the height of the cylinder. If the volume of a right circular cylinder is 45π and its height is 5, what is the circumference of its base?

Which one of the following is equal to 1/4 of 0.01 percent?

8 years ago, the ratio of A's age to B's age was 4:5. At present the ratio of is 4: 5. At present, the ratio of B's age to C's age is 4 : 5. At present, the difference between A's age and C's age is 20 years, then what is the sum of the ages of A, B and C?

A, B and C enter into partnership with investment in the ratio of 5:7:8. If at the end of the year A's share of profit is Tk. 42360, how much is the total profit?

Find the value of k if (x - 1) is a factor of 4x² + 3x² − 4x + k

A boy goes to school at a speed of 5 km/h and returns to the village at a speed of 4 km/h. If he takes 4 hours and 30 minutes in all, what is the distance between the village and the school? 

7 is 5 percent of what number?

If a² + b² = 45 and ab = 18, find (1/a) + (1/b)

Find the least five-digit number which can be divided by 8, 12, 16 and 20 leaving remainders 1, 5, 9 and 13 respectively.

Two men and three boy can repair a bridge in 10 days while three men and two boy can do same work in 8 days. If two men and one boy are used to finish this work, in how many a they will complete it?

A can do a piece of work in 4 hours, B and C together in 3 hours, and A and C together in 2 hours. How long will B alone take to do it?

A takes thrice as long to do a piece of work, as B takes. A & B together can finish a piece of work in 15 days. A alone can do it in -

Average of six non-zero positive integers is 15 and the median is 18. The modal value is less than the median. What is the maximum possible value of the largest of the six integers?

After distributing the chocolates equally among 25 kids, 8 chocolates remain. Had the number of children been 28, 22 chocolates would have been left after equally distributing. Find the total number of chocolates?

How many degrees are between the hands of a clock at 3:30?

If a square region has area n, what is the length of the diagonal of the square in terms of n?

5p - 3q = 42; 5p + 3q = 18 Given this system of equations, what is the value of |p| + |q|?

A rectangle is 14 cm long and 10 cm wide. If the length is reduced by x cms and its width is increased also by x cms so as to make it a square, then its area changes by:

A motorcyclist completes a certain journey in 5 hours. He covers one-third distance at 60 km/hour and the rest 80 km/hour. The length of the journey is-