Bank Math

A rectangular field is 3.2 yards long. A fence marking the boundary is 11.2 yards in length. What is the area of the field in square yards?

The present ratio of students to teachers at a certain school is 30 to 1. If the student enrollment were to increase by 50 students and the numbers of teachers were to increase by 5, the ratio of students would then be 25 to 1. What is the present number of teachers?

If the average of the four numbers M, 2M +3, 3M - 5 and 5M + 1 is 63, what is the value of M?

If sin x + cos x = 1, then x = ?

An employee pays 3 workers X, Y and Z a total of Tk. 610 in a week. X is paid 125% of the amount Y is paid and 80% of the amount Z is paid. Hou much does X make a week?

If log_a2 = a and log_a5 = b, then log_a50 =

The price of commodity X increases by 40 paisa every year, while the price of commodity Y increases by 15 paisa every year. If in 2001, the price of commodity X was Tk 4.20 and that of Y was Tk. 6.30, in which year commodity X will cost 40 paisa more than the commodity Y?

A salesman usually makes 45% profit on every TV he sells. During a sale, he reduces his margin of profit to 40%, while his sales increase by 10%, What is the ratio of his new profit to his usual profit?

The difference between a number and its square is 72. What is the number?

A school has 10 classes with the same number of students in each class. One day, the weather was bad and many students were absent. 3 classes were half full. 5 classes were 3/4 full and 2 classes were 1/6 empty. A total of 74 students were absent. What is the total number of students in this school?

The average temperature for the first 4-days of a week is 40.2º C and that of the last 4-days is 41.3° C. If the average temperature for the whole week is 40.6° C, then temperature on the fourth day is-

The area of a rectangle R with width 4 ft is equal to the area of a square S, which has a perimeter of 24 ft, the perimeter of the rectangle R, in feet, is

A coin is tossed four times. What is the probability of getting head on all tosses?

If sin x = 3/4, then cos x = ? 

In a graph there are two curves, y₁ = 2x₁ - 5 and y₂ = - x₂ + 10. y₂ will be greater than y₁ when -

If 2x - 1 ≥ - 3, then

How many times in a day, are the hands of a clock in straight line but opposite in direction?

Which of the numbers below is not equivalent to 4%?

Q. 31 - 60: Read the following questions carefully and choose the right answer.
৩১) A man can walk uphill at the rate of 2.5km/hr and downhill at the rate of 3.25km/hr. If the total time required walking a certain distance up the hill and return to the starting position is 4 hr 36 min, what is the distance he walked up the hill?

A sum of money amounts to Tk 9800 after 5 years and Tk. 12005. after 8 years at the same rate of simple interest. The rate of interest per annum is -