A father is three times as old as his son. After fifteen years the father will be twice as old as his son's age at that time . Hence the father's present age is --
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Job Solution Jamuna Bank Ltd Jamuna Bank Ltd - Probationary Officer - 2009 গণিত
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50 men took a dip in a water tank 40m long and 20m broad on a religious day. If the average displacement of water by a man is 4 m3 , then the rise in the water level in the tank will be --

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There are tow examinations rooms A and B. If 10 students are sent from A to B, then the number of students in each room is the same . If 20 candidates are sent from B to A, then the number of students in a is double the number of students in B. what is the number of students in room A?

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The area of a field is 680 square feet . If the cost of fencing is Tk 50 per foot , then how much will it cost to fence the field?

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Eight people are planning to share equally the cost of a rental car . If one person withdraws from the arrangement and the others share equally the entire cost of the car ,then the share of each of the remaining persons will be increased by -

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A two -digit number is such that the product of the digits is 8. when 18 is added to the number , then the digits are reversed. what is the number?

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