Bank Math

A person has Tk. 950 in 29 notes consisting of Tk. 500, 100, 50 and 10. How many notes should at least be in Tk. 50?

If (x/y) + (y/x) = √7, what is the value of (x⁴/y⁴) + (y⁴/x⁴)?

One number is 3 more than 2 times of another number. Their sum is 21. Find the numbers.

At 8 am two trains started traveling towards each other from stations 300 Km apart. They passed each other at 12 noon. the same day. If the average speed of the faster train was 9 km more than that of the slower train, then what is the speed of the faster train in km/hr?

The equation of the given curve is :

The sum of four consecutive multiples of 4 is 200. What is the largest number?

A and B together have taka 1,210. If 4/15 of A's amount is equal to 2/5 of B's amount. What is amount B has?

A shopkeeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of the cost price and the printed price of the book is :

Rahim ranks seventh from the top and twenty-sixth from the bottom in class. How many students are there in the class?

A fair coin is flipped three times. What is the probability that the coin lands head each time?

x, y are positive integers. When x is divided by y, the remainder is 5. If x/y=5.20, what is the value of x?

Set A contains all the even numbers between 2 and 50 inclusive. Set B contains all the even numbers between 102 abd 150 inclusive. What is the difference between the sum of elements of set B and that of set A?

(2√27 - √75 + √12) is equal to -

The average attendance of a college for the first three days of a week is 325 and the first four days is 320. How many were present on the fourth day?

A right triangle has sides in the ratio of 5 : 12 : 13. What is in the measure of the smallest angle in a right triangle, in degrees?

If you are living near a market place you should be read a market place you should be ready to bear the disturbances caused by traffic.

What is the angle that is half of its own complement?

If 0.4 of a number is equal to 0.06 of another number, the ratio of the numbers is :

In a circle of radius 10 cm. a chord is drawn at a distance of 6 cm from the center. What is the length of the chord in cm?

10, 4, 26, 16 what is the median of the numbers shown?