Bank Math

85% of a number is added to 24, the result is the same number. Find the number?

The face value of 8 in the number 458926 is-

Mr. Johan pays income tax on the sum above $3000 at a rate of 6 cents per Dollar. If he has $4880 after paying the income tax. what is john's gross income?

What will be the difference in taka between simple and compound interest at 10% on a sum of Tk. 1,000 after 4 years?

Which of the following is the least like the others?

A person spends 80% of his income. If he earns $5000, what is his savings?

How many 5 digit numbers have 9 as the first digit, 3 or 6 as the third digit and no digit is repeated?

A cistern is normally filled with water in 10 hours but takes 5 hours longer to fill because of a leak in its bottom. If the cistern is full, the leak will empty the cistern in.

The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of second youngest
one?

12 marbles are selected at random from a large collection of white, red, green and yellow marbles. The number of marbles of each color is unlimited. Find the probability that the selection contains at least one marble of each color?

A product is sold at a profit of 20%. If the cost price is increased by 10% and sale price by Tk. 26, then the percentage of the profit reduce by 5%, cost price is -

A train with a length of 150m long, takes 30 seconds to cross a 500m long bridge. How much time will the train take to cross a 370m long platform?

If the sum of A and B is 40, and if C = 32, what is average value of A, B and C?

ABCD is a rectangle. If its length is decreased by 5 meter and the width is increased by 3 meter, the area decreases by 9 square meters. If its length is increased by 3 meter and the width is increased by 2 meter, the area increases by 67 square meters. What is the width of ABCD?

In triangle △ABC, If AB = BC and ∠B = 70°, ∠A will be:

Three varieties of rice costing Tk. 30, Tk, 50. and Tk. 20 are mixed in the ratio 3 : 2 : 4 in terms of weight. A retailer sells the mixture at Tk. 33 per kg. What percentage of profit does he make?

Unless new reserves are found, the world's supply of coal is being depleted in such a way that with demand continuing to grow at present rate, reserves will be exhausted by the year 2050. What is the best conclusion that can be drawn from the above paragraph?

4^{x + 1} = 32, then x = ?

A system of equations is shown below:
X + 1= 6
X - m=5
X + p = 4
X - q = 3
What is the value of I+m+p+q?

There are two stations of length 162 meters and 120 meter respectively. A train takes 18 seconds to pass first station and 15 seconds to pass another station. Determine the length of the train.