৯০৪১
The captain of Bangladesh Cricket Team is 26 years old and the wicket keeper is 4 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team?
উত্তর
23
৯০৪২
A cement mixture is composed of 3 elements. By weight, ⅓ of the mixture is sand, 3/5 is water and the remaining 12 pounds of the mixture is gravel. What is the weight of the entire mixture in pounds?
উত্তর
180
৯০৪৪
If w is 10 percent less than x, and y is 30 percent less than z, then wy is what percent less than xz?
উত্তর
37%
৯০৪৫
The operation @ is defined for all integers x and y as x @ y=xy-y. If x and y are positive integers, which of the following cannot be Zero?
উত্তর
(x+1)@y
৯০৪৬
Anik travels 35 kilometers (km) partly at 4km /h and partly at 5 km/h. If he covers the distance at 5 km/h he could cover 2 km more in the same time. The time taken to cover the whole distance at original rate is-
উত্তর
7hr 24 min
৯০৪৭
Kalam bought two varieties of rice, costing Tk. 50/kg and Tk. 60/kg each, and mixed them in some ratio. Then he sold the mixture at Tk. 70/kg. Making a profit of 20%. What was the ratio of the mixture?
উত্তর
1 : 5
৯০৪৮
In a class, 120 students are male and 100 students are female, 25% of the male students and 20% of the female students are engineering students. 20% of the male engineering students and 25% of the female engineering students passed the final exam. What percentage of engineering students passed the exam?
উত্তর
22%
৯০৪৯
a2 is divisible by both 40 and 75 if a has exactly three distinct prime factors, which of the following could be the value of 'a'?
উত্তর
60
৯০৫০
There are 48 books on 3 shelves. If 3 books from third shelf are shifted to the second there will be same number of books on first and third shelves and double the number of books on second shelf. How many books were there on three shelves originally?
উত্তর
12, 21,15