Bank Math

If the product of 3 different positive integers is 6, then twice the sum of the integers is:

At 11 am in the morning a 5 feet tall boy's shadow is found to be 8 feet long. A nearby building shadow is 28 feet long at that time. What is the height of the building?

The average of two numbers is 62. if 2 is added to the smaller number, the ratio between the numbers becomes 1 : 2. The smaller number is -

What is the value of the expression 1/{1+1/(1+1/4)}?

a/(b + c) = b/(c + a) =c/(a + b) = k, then the value of k is- 

There is 90% increase in an amount in 9 years at simple interest. What will be the compound interest of Tk.15,000 after 4 years at the same rate? 

Price of 2 pencils is less than 20% of price of a pen. What is the ratio of the price of a pen to that of a pencil?

If f(x) = 10^x , then f^-1(x) = ?

(0.04)² ÷ (0.008) × (0.2)⁶ = (0.2)^?

If x > 0 and √(y/x) = x, then what is the value of y in terms of x?

What is the percentage increase in the area of a rectangle, if each of its side is increased by 25%?

The ratio between two numbers is 3:4 and their sum is 420. The greater one of the two numbers is-

A room 8m long, 6m high and 22.5cm thick is made up of bricks, each measuring 25 cm × 11.25 cm × 6cm. The number of bricks required is.

The average of a non-zero number and its square is 5 times the number. The number is-

The average daily wages of female workers in a factory is Tk. 30 and that of male workers is Tk. 42. If the average wages of all the workers is Tk. 37, what is the ratio of male to female workers?

Which of the following fractions is the largest?

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

In a class 75% passed in English, 60% passed in Mathematics & 25% failed in both subjects. What is the percentage who passed in both subjects?

A train 120 meter long is traveling at a speed of 60 km/h. The time in which it will pass a passersby, walking at 6 km/h in the same direction is -

Which number replaces the question mark?