Quantitative Aptitude - Arithmetic Ability Questions

From the top of a 20 m high building, the angle of elevation of the top of a tower is 60° and the angle of depression of it's foot is at 45°, then the height of the tower is (√3=1.732)

When Vijay sells 12 pens, he gains the selling price of 2 pens. Calculate his % profit?

A batsman makes a score of 111 runs in the 10th match and thus increases his average runs per match by 5. What will be his average after the 10th match?

The ratio of angles of a triangle are 1 : 2/3 : 3. Then the smallest angle is

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

Find the odd words/letter/number from the given alternatives:

What is the value of 643 × 121289 - 169 ?

Two persons are on either side of a temple, 75 m high, observe the angle of elevation of the top of the temple to be 30 and 60 deg respectively. The distance between the persons is