Probashi kallyan bank - officer ( cash) - 12.01.2018

For what value of x is $8^{2x-4}={16}^x?$

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 in 23 days?

The lengths of sides of a triangle are in the ratio of 3 to 5 to 6. If the perimeter of the triangle is 70, what is the length of the longest side?

If for integer x, 5

Square of a number plus two times the number equal 63. what is the number ?

If the perimeter of a certain rectangle is 76 m and its area is 360 m2, then what is the length of its shortest side?

If x = $1+\sqrt{2}$ and y =$1-\sqrt{2}$ find the value of $(x^2+y^2)$

If two planes leave the same airport at 1 : 00 PM, how many miles apart will they be at 3 : 00 PM, if one travels directly north at 150 mph and the other travels directly west at 200 mph?

In a club 50% of the male voters and 80% of the female voters voted for candidate A . If candidate A received 70% of the total votes, what is the ratio of male to female voters?

Four liters of milk are to be poured into a 2 liter bottle and a 4 liter bottle . If each bottle is to be filled to the same fraction of its capacity, how many liters of milk should be poured into the 4 liter bottle?

One dozen eggs and ten pound of apples are currently of the same price . if the price of a dozen eggs rises by 10% and that of apples rises by 2% how much more will it cost to buy a dozen of eggs and ten pounds of apples?

An iron rod that weighs 24 kg is cut into two pieces so that one of these pieces weighs 16kg and is 34 m long . If the weight of each piece is proportional to its length , how long is the other piece?

A wholesaler sells goods to a retailer at a profit of 20% . The retailer sells to the customer , who pay 80% more than the cost of the wholesaler . what is the retailer's porfit?

The price of a pen is 25% more than the price of a book. The price of a pen holder is 50% more than the price of the book. How much is the price of the pen holder more than the price of the pen?

Three individuals contributed Tk. 8000 each toward the purchase of a computer. If they bought the computer on sale for Tk. 19500 plus 10% sales tax, how much money should be refunded to each individual ?

A 10% monthly salary increase resulted in a Tk. 9000 per year increase in salary for an employee. What was his monthly salary before the increase ?

when a certain number is divided by 7, the remainder is 0. if the remainder is not 0 when the number is divided by 14, then the remainder must be __

A mixture of 20 sprit and water contains 10% water. How much water must be added to this mixture to raise the percentage of water to 25%

How much interest will Tk. 1000 earn in one year at an annual interest rate of 20% if interest rate is compounded every 6 months?