১৪৮৯১
The side of a square is increased by 10%, by what percent will the area be increased?
উত্তর
21%
১৪৮৯২
In a class, the number of boys is 35% more than that of the girls. The total number of students in the class is 94. If 6 more boys are admitted to the class, the ratio of the number of boys to that of the girls is-
উত্তর
3 : 2
১৪৮৯৪
A man can row 12 kmph in still water. It takes him thrice as long to row up as to row down the river. Find the rate of the stream-
উত্তর
6 km/hour
১৪৮৯৭
The displacement of a particle S at time/is modelled by S = 10t - t². Find the displacement after 2 seconds.
উত্তর
16m
১৪৮৯৮
Find the midpoint of the line segment joining the points P1 = (4, -3) and P2 = (6, 1).
উত্তর
(5, -1)