Bank Math

5a² - 4a - 3 - 3(a² + a + 4) = 0. What is the sum of the possible value of a ?

The area of a circle is 36π cm². The circumference is equal to

0.1 is how many times greater than 0.001?

Sam ranked ninth from the top and thirty-eight from the bottom in a class. How many students are there in the class?

If a 10% deposit that has been paid toward the purchase of a certain goods is Tk. 110, how much Taka remains to be paid?

A wheel rotates 10 times per minute and moves 20 m during each rotation. How many meters does the wheel move in 1 hour?

If x = - 1, which of the following is the largest?

What is 3% of 0.07?

A sports club has 50 members. Of these, 35 play golf, 30 play soccer and 18 play both golf and soccer. How many members play neither golf nor soccer?

A can run 22.5m while B runs 25m. In kilometre race B beats A by-

28√x + 1,426 = three-fourths of 2984, find the value of x.

A batsman has a certain average of runs for 12 innings. In the 13th inning, he scores 96 runs thereby increasing his average by 5 runs. what is his average after the 13 innings ?

A man starts climbing a 11m high wall at 5 pm. In each minute he climbs up 1m but slips down 50cm. At what time will he climb the wall?

Simple interest on a certain sum at the rate of 4.5% p.a for 4 years and 6 years differs by BDT 216. The sum is-

The sum of the square of a number and 12 times the number is - 27. What is the smaller possible value of his number?

If x = 63% of y, then y² is approximately what percent of x²?

If x = 80%, by what percent is x larger than x²?

3^x + 3^x + 3^x = ?

A man rowed 3 miles upstream in 90 minutes. If the river flowed with a current of 2 miles per hour, how long did the man's return trip take?

If 3 less than twice the number is equal to 2 more than 3 times the number, then 5 less than 5 times the number is.