Question
A car completes a journey in 6 hrs with a speed of 50
km/hr. At what speed must it travel to complete the journey in 10 hrs?Solution
Distance= Speed x Time = 50 x 6 = 300 km. Speed = Distance / time = 300 / 10 = 30 km/hr.
Given that x = 80, y = -35 and z = -45, Determine the value of [(x³ + y³ + z³)/10³]
If √f + (1/√f) = 5, then find the value of f + (1/f).
What will come in the place of question mark (?) in the given expression?
?2 = (392 × 224) ÷ (112 × 28) + 62
(a+2 )² + (b-5)² + (c+3)² = 0
Find the value of √ (a + b + c) ?
...
Find the 36th term of the series 25, 29, 33……
If ( p = 60 - q - r ) and ( pq + r(q + p) = 1080), then find the value of ( p2 + q2 + r2).