Quantitative Aptitude - Arithmetic Ability Questions

In a triangle PQR, S and T are the points on PQ and PR respectively, such that ST II QR and PS/SQ=3/5,PR =6cm, then PT is

The flight fare between two cities is increased in the ratio 9:11. What is the increase (in Rs) in the fare, if the original fare was Rs. 18,000?

In the following question, select the odd number from the given alternatives.

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

If  C+1C = 3, then what is the value of C3+1C3 = ?

The areas of a circle and square are equal. What is the square of the ratio of length of diameter to the length of diagonal?

If the shopkeeper sells an item at Rs 960 which is marked as Rs 1200, then what is the discount he is offering?

If 1-aa3+9 = 19 - a1-a3, then what is the value of a?