Bank Math

In a training camp, 18 men can eat 20kg of rice in 3 days. How long will 6 men take to eat 40kg of rice?

Five boys or 9 girls can do a piece of work in 19 days.In how many days can 3 boys and 6 girls do this work?

In a zoo, each pigeon has 2 legs, and each rabbit has 4 legs. The head count of the two species together is 12, and the leg count is 32. How many pigeons and how many rabbits are there in the zoo?

A tank is filled in 5 hours by three pipes A, B and C. The pipe C is twice as fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank?

The H C F of x² - 1, x⁴ - 1 and x⁴ - x³ + x - 1 is -

A motorist travels to a place 150 km away at in average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is:

A, B and C are partners in a business. Their shares are in the proposition of (1/3) : (1/4) : (1/5). A withdraws half of his capital after 15 months and after another 15 months, a profit of Tk. 4340 is divided. The share of C is -

How many positive integers less than 100 have a remainder of 2 when divided by 13?

What is the sum of the squares of the digits from 1 to 9?

What is the number of divisor of 1008?

A student walks from his house at a speed of (5/2) km per hour and reaches his school 6 minutes late. The next day he increases his speed by 1 km per hour and reaches 6 minutes before school time. How far is the school from his house?

A shopkeeper sold an item at 20% profit and another item at 10% loss. If the cost price of both the items is same, find the overall profit percent.

A library has an average of 510 visitors on Sunday and 240 on other days. What is the average number of visitors per day in the month of June beginning with a Sunday?

Son's age is now one-third of father's age. In twelve years from now son's age will be one half of the father's age. What is the son's age in years now?

If the ratio of the area of a sector to the area of the circle is 3:5, what is the ratio of the length of the are in the sector to the circumference of the circle?

In a simultaneous throw of a pair of dice, what is the probability of getting a total more than 8?

How many prime numbers are there between 50 and 60?

What is the distance of the origin from the line 12x - 5y + 26 = 0?

A positive number, when decreased by 4, is equal to 21 times the reciprocal of the number. The number is:

Read the following questions carefully and choose the right answer. (33-56):
৩৩) The length of a rectangle is 20% more than its breadth. Find the ratio of the area of the rectangle to that of the square whose side is equal to the breadth of the rectangle.