Question
A bike goes from City X to City Y at 45 km/h. The
distance is 135 km. How much time does it take?Solution
ATQ, Time = Distance / Speed = 135 / 45 = 3 hours
In an orchard, the ratio of the number of mango and lichi trees is 9:10, respectively. Also, there are few apple trees in the orchard which is 50% more ...
If (a + b)2Â = 18 + c2, (b + c)2Â = 22 + a2Â and (c + a)2Â = 24 + b2, then find the va...
If (x - 1) 3 Â + (y - 2) 3 Â + (z - 3) 3 Â + 3(x + y - 3)(y + z - 5)(x + z - 4) = 0, then what is the value of (x + y +...
If (7x + 5y) = 206 and 3x:2y = 27:16, then find the value of (x² + 2y²).
If a + b + c + d = 4, then the value of Â
If (4x + 3y): (28x - y) = 1: 5, then what is the value of (3x 2 Â + 4y 2 ): (7x 2 Â + 2y 2 )?

 Solve: 5 – 3x > 2x + 10
If x = 222, y = 223 and z = 224, then find the value of x³ + y³ + z³ – 3xyz
If the sum of three numbers is zero, then which of the options below will always be equal to the value of the sum of the cubes of those numbers?