Question
The driver of an ambulance sees a bus 40 m ahead of
him, after 20 seconds, the bus is 60 meter behind. If the speed of the ambulance is 30 km/h what is the speed of the bus?Solution
The correct answer is B
[a/(2a²  + 5a + 2)] = 1/6 , then find the value of (a+1)/a ?
If 4x² + y² = 40 and x y = 6, then find the value
of 2x + y?
If sin 28° = 15/17 , then tan 62° = ?
(123×123×123 + 130×130×130)/(123×123 - 123×130 + 130×130) = ?Â
- If (510 – 486 + 240) ÷ 8 + √2500 = x, then {(x/2) + 18} = ?
(a4Â + 5a3Â + 6a2) is equal to
Average marks scored by Vineet in five subjects are 60. The average marks scored by him (excluding his highest and lowest marks) are 50 and lowest marks...
- If, 4x + 3y = 18, and 2xy = 12, and 4x > 3y, then find the value of 64x 3 Â - 27y 3 .
If 5x - 13xy + 6y = 0, find x : y.
If x + y + z = 7, x² + y² + z² = 85 and x³ + y³ + z³ = 842, then the value of √3 xyz is:
...