Quantitative Aptitude - Arithmetic Ability Questions

Slit 69 into three parts such that they are in A.P. and the product of their smaller parts is 483.

If tanθ + cotθ = 5, then the value of tan2θ + cot2θ is

If a+1a=1,then the value of a2-a+1a2+a+1 is a≠0

What is the reflection of the point (3, 2) in the line y = -2?

What is the reflection of the point (5 , -1) in the line y = 2?

The average weight of 3 men A, B and C is 84 Kg. Another man D joins the group and the average now becomes 80 Kg. If another man E whose weight is 3 Kg more than that of D, replaces A then the average weight of B, C, D and E becomes 79 Kg. What is the weight of A?

Of the 3 numbers whose average is 72, the first is 2/7 times the sum of other 2. The first number is

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