৪৫৫১
starting from position X on the plain play ground of khulna University, one particular student walks 10 yerds due south and by that reached at position Y. Now , detect how far apart, in yards are position X and Y?
উত্তর
12
৪৫৫২
If n and p are both odd numbers,which of the following numbers must be an even number?
উত্তর
n + p
৪৫৫৩
The size of the philips LCD television screen is given as the length of the screen's diagonal , Assume that the screens of the television were flat. Find out how many square inches greater would be the screen of square inches greater would be the screen of a square 21 -inch television set than that of a square 19-inch television set.
উত্তর
40
৪৫৫৪
A bird under controlled diet is fed daily 300 grams of a mixture of two foods: food A and food B. Food A contains 10% protein and food B contains 15% proten. If the bird's diet provides exactly 38 grams of protein daily, how many grams of food A are there in the mixture?
উত্তর
140
৪৫৫৫
Arman invested Tk. 10,000 in a mutual fund account there years ago. The value of the account increased by 10% during the first year , increased by 5% during the second year but unfortunately decreased by 10% during the penultimate year. What is the value of the account today?
উত্তর
10,395
৪৫৫৬
If x and y are the two digits of the number 653XY in such that this number is divisible by 80 , then what is the value of x + y?
উত্তর
6
৪৫৫৭
Khulna University has astudent -to teacher ratio of 11 to 1. The average annual salary of the teachers is Tk. 26,000. If the university pays a total of 33,80,000 in annual salaries to its teachers, how many students the university have?
উত্তর
1430
৪৫৫৮
A glucose solution contains 15 grams of glucose per 100 cubic centimeters of solution. If 45 cubic centimeters of solution were poured into an empty container how many grams of glucose would be in the container?
উত্তর
6.75
৪৫৫৯
A tap can fill the tank in 15 minutes and another can empty it in 5 minutes. If the tank is already half -full and both the taps are opened together , how many minutes will the tank take to be emptied?
উত্তর
8
৪৫৬০
The ratio between the length and the breadth of a rectangular park is 3: 2 if a man cycling along the boundary of the park at the speed of 20 km /hr completes on round in 8 minutes, then what would be the area of the park in square kilometer?
উত্তর
1,53,600