Question
Statements: All Hydrogen are Oxygen. No
Hydrogen are Nitrogen. Only a few Helium are Hydrogen. Conclusion: All Nitrogen is Helium is a possibility. No Oxygen is Nitrogen. In the following question below are given some statements followed by some conclusions based on those statements. Taking the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusion logically follows the given statements.Solution

If x = (2+√3)/(2-√3), y = (2-√3)/(2+√3). Then find out the value of (x²+y²-xy)/(x²+y²+xy)?
(x – 6) 2 + (y + 2) 2 + (z – 4) 2 = 0, then find the value of 4x - 3y + z.
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...
The average of three numbers a, b and c is 2 more than c. The average of a and b is 48. If d is 10 less than c, then the average of c and d is:
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If (528 – 507 + 195) ÷ 11 + √1296 = x, then {(x/2) + 10} = ?
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If (m + n) = 9 and mn = 14, then find the value of (m² + n²).

The speed of a car is 25% more than that of a bike. Both of them start from a same point. After travelling for 4 hours, the speed of the bike is increas...