Question
Which one of the following is volume of water necessary
to cover an area of 1.0 ha to a depth of 5 cm?Solution
Volume = Area x Depth Area = 1.0 ha = 10,000 m² (since 1 ha = 10,000 m²) Depth = 0.05 meters Volume = 10,000 m² x 0.05 m = 500 m³
If α and β are the roots of equation x2 – x + 1 = 0, then which equation will have roots α3 and β3?
... is equal to:
If x sin3 θ + y cos3 θ = sin θ cos θ and x sin θ − y cos θ = 0, then the value of x2 + y2 equals
If x + y + z = 19, xyz = 216 and xy + yz + 2x = 114, then the value of √ x3 + y3 + z3 + xyz is :
The value of x which satisfies the equation (x+a2+2c2) / (b+c) + (x+b2 +2a2) / (c+a) + (x+c+2b2) ...
Which one of the following is the equation for Velocity Time relation?
If x3 + y3 + z3 = 3(1 + xyz), P = y + z – x, Q = z + x – y and R = x + y – z, then what is the value of P...
The expression of (cot θ + cosec θ −1) / (cot θ − cosec θ+1) is equal to
The value of = 3/4 ÷ 3/4 of 4/3 + 5/2 ÷ 2/5 of 5/4 – (2/3 + 2/3 of 5/6) is :
If P = 7 + 4√3 and PQ = 1, then what is the value of 1/P2 + 1/Q2?