১২৯৯১
If length and width of a rectangular plot were each increased by 20%, what would be the percentage increase in the area of the plot?
উত্তর
44%
১২৯৯২
The ratio of the angles of a triangle is 2 : 3 : 4. What is the largest angle in degrees?
উত্তর
80
১২৯৯৩
If a square region has area n, what is the length of the diagonal of the square in terms of n?
উত্তর
√(2n)
১২৯৯৪
10 minutes after a plane leaves the airport, it is reported to be 40 miles away. What is the average speed in miles per hour of the plane?
উত্তর
240
১২৯৯৫
Of 30 applicants for a job, 14 had at least 4 years experience, 18 had degrees, and 3 had less than 4 years experience and did not have a degree. How many of the applicants had at least 4 year's experience and a degree?
উত্তর
5
১২৯৯৬
The total salary of X, Y and Z is Tk. 90,000. X earns twice of what Z earns, and Y earns 1.5 times of what Z earns. What is the salary of Z?
উত্তর
Tk. 20,000
১২৯৯৭
Mr. Khan's salary is Tk. 5000.00 and he gets 10% commission of his salary. If his salary increased by 10%, by what percent his commission will increase?
উত্তর
10%
১২৯৯৮
A man's age is now 3 times his son's age. Eight years back, the man's age was 5 times his son's age. What is the present age of the son?
উত্তর
16