Mathematics
The speed of a boat is 32 km/h. If the speed of stream is 8 km/h, the speed of the boat upstream is :
36km/h
40 km/h
16 km/h
24 km/h
Related Questions
The perimeter of a square is numerically equal to its area. The perimeter of the square is :
4 units
8 units
12 units
16 units
If the width of the uniform shaded portion is x m; its area in terms of x is :
320 m2 - (16 - 2x)(20 - 2x) m2
320 m2 - (16 - x)(20 - x) m2
320 m2 - (16 - 2x)(20 - x) m2
320 m2 - (16 - x)(20 - 2x) m2
A boy is twice as old as her sister. Four years hence, the product of their ages (in years) will be 160. Find their present ages.