Question
Which planet is known as the "Red
Planet"?ÂSolution
Mars is often called the "Red Planet" due to its reddish appearance caused by iron oxide.
((99.9 - 20.9)² + (99.9 + 20.9)² )/(99.9 x 99.9 + 20.9 x 20.9) = ?
...If (7x + 5y) = 206 and 3x:2y = 27:16, then find the value of (x² + 2y²).
- If n = 1 + √2, then find the value of (n + 1/n)².

A number is increased by 20%, and the resulting number is decreased by 20%. If the initial number is ₹x, the final number is ₹2880. What is the valu...
if a2 + b2 + c2Â =Â 2(3a -5b -6c)-70 , then a-b-c = ?
If 2x + y = 10 and 3x - 2y = 5, find the value of x + y.
- If a 2  + b 2  + c 2  = 240 and ab – bc – ca = 64, then find the value of (a + b – c) 2 .
- If (a 2  + 1/a 2 ) = 66, then find the value of (a 3  – 1/a 3 ).
- If a 3Â + b 3Â + c 3Â = 62, abc = -6 and (a + b + c) = 5, then what is the value of ab + bc + ac?