Bank Math

The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is :

The area of a rectangle is 40cm² and one of its sides is 8cm long. What will be its perimeter?

How many integers from 1 to 1000 are divisible by 30 but not by 16?

A rectangular plot measuring 90 meters by 50 meters is to be enclosed by wire fencing. If the poles of the fence are kept 5 meters apart, how many poles will be needed?

Three numbers are added in pairs, the sums so obtained are 20, 27 and 23. What are those three numbers?

Ahad buys 80 kg of sugar at Taka 40 per kg and 40 kg rice at Taka 50 per kg. At what price approximately in Taka per kg should he sell to make a profit of 10% on cost?

If Michael can shovel all the snow of a standard driveway in 12 minutes, and Emon can shovel all the snow of a standard driveway in 36 minutes, then working together, how many minutes would it take for them both to shovel all the snow of a standard driveway?

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

A number consists of 3 digits whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. What is the number?

Moyna and Noyna respectively got 20% more and 10% less marks than Jolin in exam. What is the ratio of Noyna and Moyna's exam scores?

A box is made in the form of a cube. If a second cubical box has inside dimensions three times those of the first box, how many times as much does the second box contain?

40 is subtracted from 60% of a number, the result is 50. Find the number?

In a basket the ratio of banana and apple is 3:2. If 5 bananas are removed from the basket then the ratio becomes 1:1. How many apples were there in the basket?

A train 800 meters long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 minute, then the length of the tunnel (in meters) is :

Three math classes, X, Y, and Z, take an algebra test. The average score in class X is 83. The average score in class Y is 76. The average score in class Z is 85. The average score of all students in classes X and Y together is 79. The average score of all student classes Y and Z together is 81. What is the average for all the three classes?

If the area of a rhombus is 54 sq. cm and the length of one of the diagonals is 6 cm then the length of the other diagonal is–

One dozen eggs and ten pounds of apples are currently the same price. If the price of a dozen eggs rises by 10% and that of apples rises by 2%, how much more will it cost to buy a dozen of eggs and ten pounds of apples?

Three workers can do a job in 12 days. Two of the workers work twice as fast as the third. How long would it take one of the faster workers to do the job himself?

If x is an integer, then which of the following statements about x² - x - 1 is true?

A train is moving at the rate 8 mi/h along a piece of circular track of radius 2,500 ft. Through what angle does it turn in 1 min?