১০৯৫১
The triangular base of a prism is a right triangle of sides a and b = 2a . The height h of the prism is equal to 10 mm and its volume is equal to 40 mm3, what will be the lengths of the sides a and b of the triangle?
উত্তর
2 mm and 4 mm
১০৯৫২
The sum of principal and simple interest of a certain amount of money would be Tk.460 after 3 years from now and Tk. 500 after 5 years from now. What is the total interest rate?
উত্তর
5%
১০৯৫৩
A wheel rotates 10 times per minute and moves 20 m during each rotation. How many meters does the wheel move in 1 hour?
উত্তর
12,000
১০৯৫৪
If x and y are consecutive positive integers, which of the following must be an even integer?
উত্তর
xy
১০৯৫৫
There are n students in a school. If r% among the students are 12 years or younger, which of the following expressions represents the number of students who are older than 12?
উত্তর
n(100 - r) / 100
১০৯৫৬
The ratio between the perimeter and the breadth of a rectangular is 5:1. If the area of the rectangle is 216 cm2, what is the length of the rectangle?
উত্তর
18 cm
১০৯৫৭
If (x + y) > 5 and (x – y) > 3, then which of the following gives all and only possible value of x?
উত্তর
x > 4
১০৯৫৮
Three boys have marbles in the ratio of 19 : 5 : 3. If the boy with the least number has 9 marbles. How many marbles does the boy with the greatest number have?
উত্তর
57
১০৯৫৯
The area of a rectangle R with width 4 ft is equal to the area of a square S, which has a perimeter of 24 ft, the perimeter of the rectangle R, in feet, is
উত্তর
26
১০৯৬০
In a class of 120 students, 70 percent can speak only Bengali and the rest can speak English. If 25 percent of those in the class who can speak English can also speak Bengali, how many of the students in the class can speak Bengali?
উত্তর
93