Quantitative Aptitude - Arithmetic Ability Questions

Triangle DEF is right angled at E. If cot D = 5/12, then what is the value of sin F?

A telephone bill costs Rs.13 for 19 minutes. What is the cost in rupees for 15 minutes 50 seconds?(rounded to one decimal)

If on an item there is 12% discount on the marked price of Rs 10,000 but the item is sold at Rs 8,360 only then what additional discount (in %) did the customer get?

What is the simplified value of 18 - 12 ?

Which of the following is correct?

In what ratio is the segment joining the points (2,5) and (­6,­10) divided by the y­axis?

If angles of a quadrilateral are in the ratio 3:5:9:13, find the largest angle?

Find the odd one out.