#mathhelpline #mathhelpline Bangladesh Bank Officer Written math
Exam Date: 02-01-2015
a. A shop stocks four types of caps, there are 1/3 as many red caps as blue caps and 1/2 as many green caps as red caps. There are equal number of green caps and yellow caps. If there are 42 blue caps, then what percent of the total caps in the shop are blue?
b. The annual incomes and expenditures of a man and his wife are in the ratios 5:3 and 3:1, respectively. If they decide to save equally and find a balance of Tk. 4000 at the end of the year, what was their income?
c. A person sold two articles each for the same price of Tk. 1040. He incurs 20% loss on the first and 10% loss on the second. Find his overall percentage of loss.
d. If the sum of five consecutive integers is S, what is the largest of those integers in terms of S?
e. The difference between two numbers is five and the difference of their squares is 65. What is the larger number?
f. Robi drove 100 miles to visit a friend. If he had driven 8 miles per hour faster than he did, he would have arrived in 5/6 of the time, he actually took. How many minutes did the trip take?
g. (√(2+x)+√(2-x))/(√(2+x)-√(2-x))=2 Find the value of x?
h. Of the three numbers, second is twice the first and is also thrice the third. If the average of the three numbers is 44, then what will be the largest number?
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