Bank Math

A man's regular pay is Taka 30 per hour up to 40 hours. Overtime is twice the payment for regular time. If he was paid taka 1680, how many hours overtime did he work? 

An engine pulls four identical carriages. The engine is 2/3the length of a carriage and the total length of the train is 86.8m. Find the length of the engine.

The average of two numbers is 62. If 2 is added to the smaller number, the ratio between the numbers becomes 1 : 2. What is the smaller number?

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Three houses are available in a locality. Three persons apply for the houses. Each applies for one house without consulting others. The probability that all the three apply for the same house is

A wire can be bent in the form of a circle of radius 56cm. If it is bent in the form of a square, then what will be its area?

The difference between the length and breadth of a rectangle is 23 meter. If its perimeter is 206 meter, then, its area is

A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done is 23 days?

A train traveled p kms in 40 minutes and completed the remaining 200 kms of the trip in q minutes. What was its average speed, in km per hour for the entire trip?

What is the slope of a line perpendicular to the line whose equation is 20x - 2y = 6?

A manufacturer sells three products i.e. A, B and C. Product A costs 200 and sells for 250. Product B costs 150 and sells for 180. Product C costs 100 and sells for 110. On which product, he has maximum percentage of profit?

If a + b = 4 and ab = - 12, then a - b equals to-

If a man goes 18 km downstream in 4 hours and returns against the stream in 12 hours, then speed of the stream in km/hr is -

A cricketer has a certain average for 9 innings. In the 10^th innings he scores 100 runs, thus increasing his average by 8 runs. What is new average?

Q. 33-56: Read the following questions carefully and choose the right answer.
৩৩) Two buses start at the same time from Delhi and Agra, which are 300km apart, towards each other. After what time will they cross each other if their speeds are 38km per hour and 37km per hour?

If 0 ≤ x ≤ π/2 what is the maximum value of cos (x/3)?

What is the angle between the hour and minute hands of a clock at 14 : 50?

The compound interest on Tk. 2800 for 18 months at 10% p.a. is

How many positive integers less than ten thousand are multiples of both eight and eighteen?

Find the simplified value of : (6 + 2x) (4 - 2x).