Question
A man can row his boat with the stream at 15 km/h and
against the stream in 8 km/hours. The man’s rate isSolution
Man's rate in still water = 1/2 (15 + 8) = 11.5 km/hr
More Boats and streams Questions
If x2 – 5x + 1 = 0, then find the value of {x2 + (1/x2)}.
A dishonest dealer claims to sell goods at cost price but uses a false weight of 900g instead of 1kg. What is his profit percentage?
If y + 1/y = 2 then find y117 + 1/(y117)
25, 25.8, 27.4, 29, 33, 37
If a3 + b3 = 6240 and a + b = 30, then find the value of {(a + b)2 – 3ab}
If (x – 3) is a factor of (x2 + 4qx – 2q), then the value of q is:
- If x² - 2x + 1 = 0, then find the value of (x³ + x⁻³)(x + x⁻¹).
x + y = 4, xy = 2, y + z = 5, yz = 3, z + x = 6 and xz =4, then find the value of x 3 + y 3 + z 3 – 3xyz.
...If 2x + y = 10 and 3x - 2y = 5, find the value of x + y.
