Question
David earns a profit percentage
of 18% on the cost price by selling an item for Rs. 5,900. Find the cost price of the item.Solution
If x 8  + x -8  = 194, then find the value of (2x 2  – 4) 2  – 1.
If a² + c² + 17 = 2(a - 8b - 2c²), then what is the value of (a³ + b³ + c³)?
If (Ax + By - Cz) 2  = 4x 2  + 3y 2  + 2z 2  + 4√3xy - 2√6yz - 4√2xz, then find the value of A
Before servicing, a car runs at a speed of 25 km/hr while after servicing, it runs at a speed of 50 km/h. After servicing the car covers a certain dista...
If 64x3 - 343y3 = (4x - Ay) X (Bx2 + 49y2 + Cxy), then find the value of 3 X (2A + 6B) - 2C.
If 3x + (1/3x) = 9 then find 27x³ + (1/27x³ ) = ?
- If 2x + 4y - 9 = 0, then find the value of 8x 3 Â - 723 + 64y 3 Â + 216xy.
If x = (2+√3)/(2-√3), y = (2-√3)/(2+√3). Then find out the value of (x²+y²-xy)/(x²+y²+xy)?
- 8p 3 Â - 27q 3 Â - 36p 2 q + 54pq 2 Â is equivalent to:
