Bank Math

A ladder is placed against a wall such that its foot is at a distance of 2.5 from the wall and its top reaches a window 6m above the ground. Find the length of the ladder.

If the radius of a circle is reduced by 40%, its circumference is reduced by-

A can do a piece of work in 10 days. While B alone can do it in 15 days. They work together for 5 days and the rest of the work is done by C in 2 days. If they get TK. 450 for the whole work, how much money C should get from the whole?

The value of a machine is Tk. 6,250. Its value decreases by 10% during the first year, 20% during second year and 30% during the third year. What will be the value of the machine after 3 years?

There are n students in a school. If r% among the students are 12 years or younger, which of the following expressions represents the number of students who are older than 12?

If Px = Qy = Rz and Q/P = R/Q then 2z/(x + z) = ?

A cement mixture is composed of 3 elements.By weight, ⅓ of the mixture is sand, 3/5 is water and the remaining 12 pounds of the mixture is gravel. What is the weight of the entire mixture in pounds?

What is the probability of rolling an even number on a standard six-sided die?

What are the two roots of the equation x² - 7x + 12 = 0 ?

In a box, there are 10 apples and 2/5th of the apples are rotten. If three apples are taken out from the box, what will be the probability that at least one apple is rotten.

In a class, if 4 students sit in each bench, there are 3 empty benches, but 6 students have to stand if 3 students sit each bench. How many students are there in that class?

The average temperature on Wednesday, Thursday and Friday was 25°C. The average temperature on Thursday, Friday and Saturday was 24°C. If the temperature on Saturday was 27°C, what was the temperature on Wednesday?

One third of the faculty members of a department are female, Sixteen of the male teachers' are unmarried, while 60% of them are married. The total number of faculty members in the department is

A person's present age is two-fifth of the age of his mother. After 8 years, he will be one-half of the age of his mother what is the present age of the mother?

A man can row 12 kmph in still water. It takes him thrice as long to row up as to row down the river. Find the rate of the stream-

An employer pays 3 workers X, Y and Z a total of Tk. 36,600 a week. X is paid 125% of the amount Y is paid and 80% of the amount Z is paid. How much does X make a week?

What is the greatest common factor of 24 and 64?

If 3x + 2y = 7 and 3x - 2y = 5 then xy = ?

Problem Solving, Analytical & Financial Aptitude
If (3m = 2n) and (6n = 7k) , what is the ration of 'm' to 'k'?

2/0 is?