Quantitative Aptitude - Arithmetic Ability Questions

If Girish's salary is 4/9 times of Harishankar's and Shirish's salary is 5/6 times of Harishankar's, what is the ratio of Girish's salary to Shirish's.

In the following question, four number pairs are given. The number on left side of (–) is related to the number on 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.

In ΔPQR, PQ = PR = 18 cm, AB and AC are parallel to lines PR and PQ respectively. If A is the mid-point of QR, then what is the perimeter (in cm) of quadrilateral ABPC?

The median of the numbers 14, 12, 12, 16, 13 and 18 is

A non-zero number is greater than 7 times its reciprocal by 9.3. What is the number?

Δ DEF is right angled at E. If m∠F = 45°, then what is the value of 2 Sin F x Cot F?

ΔDEF is right angled at E. If secD = 25/7, then what is the value of cosecF ?

If 3x^2 + ax + 4 is perectly divisible by x - 5, then the value of a is :