৫৭৯১
A certain animal in the zoo has consumed 39 pounds of food in six days. If it continues to eat at the same rate, in how many more days will its total consumption be 91 pounds?
উত্তর
8
৫৭৯২
If n is even, which of ক) n + 3 খ) 3(n + 1) গ) 2(n + 3) + 3 ঘ) n2 - 1 ঙ) 2(n + 3) the following cannot be odd?
উত্তর
2(n + 3)
৫৭৯৩
What is the parameter of a rectangle that is 24 meter wide and has the same area as another rectangle that is 64 meter long and 48 meter wide?
উত্তর
304 meter
৫৭৯৫
If set A = {1, 2} and B = {3, 4}, then A × B (Cartesian product of set A and B) is
উত্তর
{(1, 3), (2, 4), (1, 4), (2, 3)}
৫৭৯৬
In a business A and C invested amounts in the ratio 2 : 1 whereas A and B invested amounts in the ratio 3 : 2 . If their annual profit be Tk. 157300, then B's share in the profit is -
উত্তর
Tk. 48400
Tk. 48400
৫৭৯৭
The average age of a group of 15 employees is 24 years. If 5 more employees join the group, the average age increases by 2 years. Find the average age of the new employees.
উত্তর
32
৫৭৯৮
A person travels a certain distance at 3 km/hr and reaches 15 min late. If he travels at 4 km/hr, he reaches 15 min earlier. The distance he has to travel is -
উত্তর
6 km
৫৭৯৯
The difference between the radii of a bigger circle and smaller circle is 14 cm and the difference between their areas is 1056 cm2 . Radius of the smaller circle is -
উত্তর
5 cm
৫৮০০
A sum fetches a simple interest of Tk. 6000 at the rate of 5% p.a. in 6 years. What would be the compound interest earned at the same rate of interest and the same principal in 2 years?
উত্তর
Tk. 2050