Bank Math

The average mark obtained by 15 students was 10 and the average mark obtained by 10 students was 15. What was the average mark obtained by all students?

28√? + 1,426 = 3/4 of 2,872

If sec(x − 30°) = 2/√3, tan x = ?

Which number is divisible by 2, 3, 4 and 6 but is not divisible by 5?

If x = -1, then - (x⁴ + x³ + x² + x) =?

There are 3 doors to a lecture room. In how many ways can a lecturer enter the room from one door and leave from another door?

A car manufacturer has 2,992 forklifts, which is approximately one forklift for every 48.9 employees. Which of the following is the closest approximation in thousands, of the number of employees employed by the manufacturer?

The next number of the sequence is - 4 3 9 3 19 3 ....

If two times of the daughter’s age in years is included to the mother’s age, the total is 70 and if two times of the mother’s age is included to the daughter’s age, the total is 95. So the Mother’s age is -

The respective ratio between the speed of a car, a train, and a bus is 5 : 9 : 4. The average speed of the car, bus and train is 72 km/hr together. What is the average speed of the car and the train together?

Murad bought equal number of 20-paisa and 30-paisa stamps. If the total cost of the stamps was tk 10, what was the total number of stamps that Murad bought?

In a room of 36 people, 20 players play chase while 28 players play poker. How many players play both?

If 21215120 represents 'bloat' then 6121135 represents -

A certain sum of money consists of 30 coins some of which are 10 paisa coins and the rest are 5 paisa coins. If the total value of the coins is Tk. 2, what is the number of 10 paisa coins?

০.৩৫ কে ভগ্নাংশে প্রকাশ করলে কত হবে?

There are 3 circles A, B and C (C > B > A). Area of the circle A is 100 Square Inch and B is 50% of C and 200% of A. What is the area of C?

If a= √3/2, then √(1 + a) + √(1 - a)= ?

The average of 6 numbers is 25. If 3 more numbers, with an average of 22 are added to these numbers, what will be the average of the combined 9 numbers?

Which of the following fractions is greater than 3/4 and less than 5/6?

A person who has an income of Tk. 10,000 pays what percent of his or her income in taxes?