Bank Math

Due to reduction in the bus price by 15%, the number of passengers on a certain route increased by 40%. What will be the percentage increase in revenue?

A book sold at a discounted price. If it had a regular price of tk. 300 and was sold for tk. 276, how much discount was applied?

Area of a rectangular field is 400 square meter. If its length is 16 meter. What is his circumference of the field?

Tk. 6000 becomes Tk. 7200 in 4 years at a certain rate of simple interest. If the rate becomes 1.5 times of itself, the amount of same principal in 5 years will be -

A man deposits Tk 600 in a Bank at 10% interest rate compounded annually. At the end of the second year, the total amount including interest will become Tk-

Q. (36-55): Choose the correct answer.

In a survey, 30% of the people surveyed owned a personal computer and 75% owned a cellular telephone. If 25% owned both a cellular telephone and a personal computer, then the percentage of the people who does not have either of the instrument?

What comes next in the series: 2, 6, 12, 20, 30, ...... ?

There are 23 poles with a constant distance between each pole. A car takes 24 seconds to reach the 12^th pole. How much more time will it take to reach the last pole?

The price of two bananas is Tk. 40. And the sum of the prices of one banana and two kiwis is Tk. 50. The sum of the prices of two bananas and three kiwis is Tk: 

If Tk. 4,500 was invested in a share when the price per share was Tk. 9 and Tk. 3,000 was invested in another share when the price per share was Tk. 10. What was the average price per share purchased?

Of a pole in a pond, 0.20 portions are in mud, 0.50 of it in water and the rest 6 feet is above water. What is the length of the pole?

If a series looks like: 1, 1.5, 2.5, 4,........, then which of the following comes next in the sequence?

There is a point in a circle. What is the probability that this point is closer to its circumference than to the center?

Pavel was cycling at 30 km/h and was passed by Ratan who was cycling at 40 km/h. If Ratan cycles for c minutes at his speed and then stops, how long, in minutes, will it take for Pavel to reach him?

Three-fourth of a number is 60 more than its one third. The number is-

Bilkis invests Tk. 2,400 in the XYZ Bank at 5%. How much additional money must she invest at 8% so that the total annual income will be equal to 6% of her entire investment?

When 4 is added to one half of a number, the result is 14. What is the number?

The population of a certain town increases by 50% every 50 years. If the population in 1950 was 810, in what year was the population 160?

Babu bought two varieties of pulse, costing Tk. 50 and Tk. 60 per Kg. each, and mixed them in some ratio. He then sold the mixture at Tk. 70 per kg., making a profit of 20 percent. What was the ratio of the mixture?

A sum fetches a simple interest of Tk. 6000 at the rate of 5% p.a. in 6 years. What would be the compound interest earned at the same rate of interest and the same principal in 2 years?