A man can row upstream at 12 km/hr and downstream at 18 km/hr. The man's rowing speed in still water is
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Find the area (in sq units) enclosed by y = 0, x+6=0 and 2x-3y=6.
The distance between two places can be covered in 3.5hrs at a speed of 62 kmph. If the speed is increased by 8 kmph, how much time would be saved?
The least number to be added to 13851 to get a number which is divisible by 87 is
Two numbers are 50% and 80% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?
If sinθ+cosθsinθ-cosθ=3, then the value of sin4θ-cos4θ is
The areas of two similar triangles ΔABC and ΔPQR are 121 sq cms and 64 sq cms respectively. If PQ = 12 cm, what is the length (in cm) of AB?
Slope of the line AB is -4/3. Co-ordinates of points A and B are (x, -5) and (-5, 3) respectively. What is the value of x?