৫৫৭২
Given the equations below, what is the value of mn? 2(m + n) + m = 9; 3m - 3n = 24
উত্তর
-15
৫৫৭৪
The height of a cylinder is four times the radius of the cylinder. If the volume of the cylinder is 256π cm3, what is the radius of the cylinder?
উত্তর
4 cm
৫৫৭৫
A sum of money placed at compound interest doubles itself in 4 years. In how many years will it amount of 8 times itself?
উত্তর
12 years
৫৫৭৬
If principal P becomes Q in 2 years when interest R% is compounded half-yearly. And if the same principal P becomes Q in 2 years when interest S% is compound annually, then which of the following is true ?
উত্তর
R < S
৫৫৭৮
If angle B of isosceles triangle ABC is a right angle, what is the tangent of angle A?
উত্তর
0
৫৫৭৯
If the total surface area of a hemisphere be 36π sq.cm, then its radius is-
উত্তর
2√3