Question
Five persons F, G, H, I, and J live on different floor of a
five-storey building. The bottommost floor is numbered as 1 and the topmost floor is numbered as 5. F lives immediately above H. G lives two floors below F. I neither lives adjacent to F nor G. I lives immediately above J. Who lives three floors above H?Solution

Average marks scored by Vineet in five subjects are 60. The average marks scored by him (excluding his highest and lowest marks) are 50 and lowest marks...
+ (a+2 )² + (b-5)² + (c+3)² = 0
Find the value of √ (a + b + c) ?
...- If [x + (1/x)] = 7, find the value of [x⁴ + (1/x⁴)].
- If (x + y + z) = 10 and (x 2 + y 2 + z 2 ) = 52, then find {z(x + y) + xy}.
If ( p = 40 - q - r ) and ( pq + r(q + p) = 720 ), then find the value of ( p2 + q2 + r2).
If P3 + 3P2 + 3P = 7, then the value of P2+ 2P is –
...
If (a + b + c) = 18 and (ab + bc + ca) = 100, then find the value of (a² + b² + c²).
If (x24 + 1)/x12 = 7, then the value of (x72 + 1)/x36 is