Bank Math

The ratio of two numbers is 3 : 4 and their sum is 630. The smaller one of the two numbers is

The slope of a line perpendicular to one with slope 2 is:

If the sum of (3, 7 and x) is 18, then the average of (3, 7 and x) is

The sum of 3 consecutive integers is less than 75. What is the greatest possible value of the smallest one?

Fresh grapes contain 80 percent water while dry grapes contain 10 percent water. If the weight of the dry grapes is 250 kg what is total weight when it was fresh?

It takes 5 hours to fill a container using machine A. The same container can be filled using machine B in 10 hours. When the container is full, Machine C can fully empty the container in 20 hours. If all three machines start working on the same empty container how long will it take for the container to be completely filled,

A man rows at 6 km/hr in still water and 4.5 km/hr against current. His rate along the current is:

100 × 10 - 100 + 2000 ÷ 100 = ?

k:l = 4:3 and l:m = 5:3, then find k:l:m?

In a certain code, AWAKE is written as ZVZJD. How is FRIEND written in that code?

What is the value of 'm'?
i) The number m yields a remainder p when divided by 14 and a remainder q when divided by 7
ii) p - q = 7

P is a point lying on the line segment AB. Which of the following relations is applicable for all time?

{2/(a - b)} - {5/(b - a)} =

a, b, c, d, e, f are five consecutive odd numbers, their average is-

Q. 33 – 56: Read the following questions carefully and choose the right answer.
৩৩) A driver of an auto rickshaw sees a lorry 60m ahead of him. After 30 seconds the lorry is 90m behind. If the speed of the auto rickshaw is 38km/hr, then what is the speed of the lorry?

(33-41) Choose the correct answer.
(33) Find the missing number.

The sum of seventh and eleventh term of an arithmetic progression is 18. What is the sum of the first seventeen terms of that progression?

if log_x 1/216 = - 3, then x = ?

What is 200% of 0.010?

Three workers X, Y and Z are paid a total of Tk.5, 500 for particular jobs. X paid 133.33% of the amount paid to Y and Y is paid 75% amount paid to Z. How much is paid to Z?