Math for Bank

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If 1980 workers were engaged in commerce how many were engaged in manufacturing ?

If 4% of (p+q) is 8 and P is a positive integer what is the greatest possible value of Q ?

A motorcycle costs tk 2500 when it is brand new.At the end of each year it is worth 4/5 of what it was at the begining of the year.what is the motorcycle worth when it is 3 years old ?

If tk 4,500 was invested in a share when the price per share was tk 9 and tk 3,000 was invested in another share when the price per share was tk 10.what was the average price per share purchased ?

It costs X taka each to make the first thousand copies of a CD and Y taka to make each subsequent copy how many Taka will it cost to make Z copies of the CD ?

The average of six consecutive integers in increasing order of size is 9 1/2.what is the average of the last 3 integers ?

There coins are tossed.find the probability of at least one head and one tail ?

Three time the present age of a fatther is equal to eight times the present age of his son.Eight years hence the father will be twice as old as his son at that time.what are their present ages ?

If the radius of a circle is increased by 6% then the area of the circle is increased by-

If X is an integer then which of the following is always an even integer ?

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