Bank Math

The ratio of the speed of boat in still water to the speed of stream is 16 : 5. A boat goes 16.5 km in 45 minute upstream, find the time taken by boat to cover the distance of 17.5 km downstream.

The daily rate for a hotel room having 4 beds is Tk. 390 for one person and X taka for each additional person. If 3 people take the room for one day and each pays Tk. 210 for the room, then what is the value of X?

For any two numbers m, n ; (m + n ) : (m - n) : mn = 7 :1 : 60. Find the value of 1/m : 1/n =? 

What is the minimum value of 4x² + 16x - 17?

A person rides a bicycle round a circular path of radius 50m. The radius of the wheel of the bicycle in 50cm. The cycle comes to the starting point for the first time in 1 hour. What is the number of revolutions of the wheel in 15 minutes?

A certain animal in the zoo has consumed 39 pounds of food in six days. If it continues to eat at the same rate, in how many more days will its total consumption be 91 pounds?

The area of a rhombus is 96 cm² and the length of one of the diagonals is 16 cm. The length of the other diagonal is -

a² is divisible by both 40 and 75 if a has exactly three distinct prime factors, which of the following could be the value of 'a'?

If one star equals four circles and three circles equal four diamonds, then what is the ratio of star to diamond?

If (89)² is added to the square of a number, the answer so obtained is 16202. What is the 1/26 of that number?

Tk 7,500 is divided in the ratio of 1 : 2 : 3 : 4 : 5. Find the difference between the greatest and smallest shares?

Today is Aziz's 12th Birthday and his father's 40th Birthday. How many years from today will Aziz's father be twice as old as Aziz's at that time?

Three years back, a father was 24 years older than his son. At present the father is 5 times as old as the son. How old will the son be three years from now?

If √2ⁿ = 64 , what will be the value of n? 

What is the angle between the hour and minute hand of a clock when it is 12 : 20 pm by the clock?

How many numbers from 11 to 50 are there which are exactly divisible by 7 not by 3?

A bond gets matured in 10 years. Ram invested Tk. 42,000 in this bond and received Tk.1,05,000 once the bond matured. If the bond was under simple interest, then what was the rate of interest per annum?

(5³ + 5³ + 5³ + 5³) = ?

A plane traveling at 600 miles per hour is heading for Chittagong airport. At 3.58 pm it was 30 miles from the airport. At what time it will arrive at the airport?

How many 5 will you pass on the way when you count from 1 to 100?