Question
Compressed natural gas (CNG) is a fuel gas made of
petrol and it is mainly composed of which gas?Solution
CNG is compressed natural gas which consists 85% of methane and rest 15% ethane, propane and butane. This gas is also known as Marsh Gas. It is a greenhouse gas.
If √p + (1/√p) = 12, then find the value of p + (1/p).
125 sweets were distributed equally among children in such a way that the number of sweets received by each child is 20% of the total number of children...

If z + (1/z) = 2 then find z105 + 1/(z105) = ?
(123×123×123 + 130×130×130)/(123×123 - 123×130 + 130×130) = ?
If x + 1/x = 2, find x⁷ + 1/x⁷.
(a+2 )² + (b-5)² + (c+3)² = 0
Find the value of √ (a + b + c) ?
...The graphs of the equations 3x-20y-2=0 and 11x-5y +61=0 intersect at P(a,b). What is the value of (a² + b² − ab)/(a² − b²...
- The ratio of M to N is 4:9, and that of N to O is 3:2. If the difference between O and M is 60, what is the total of M, N, and O?
√(92×8 ×52+700) = ?