Quantitative Aptitude - Arithmetic Ability Questions

Find the odd word/letters/number pair from the given alternatives.

The points A(x,2), B(­2,1) and C(6,­3) are collinear. Find x?

The average marks obtained by a class of 60 students is 65. The average marks of half of the students is found to be 85. The average marks of the remaining students is

In a class of 65 students there are 39 girls. The average weight of these girls is 60 Kg and average weight of the full class is 64 kgs. What is the average weight of the boys of the class?

What is the value of sin 75°+ sin 15°?

If cotA/√(1 + cot2A) = x, then the value of x is

What is the value of 96+21624?

If 2r = h + r2+h2, then the ratio of r:h is