Quantitative Aptitude - Arithmetic Ability Questions

 In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by aLogic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives

Between 50 and 150 how many numbers are divisible by 7?

Karan remembers that his sister's birthday is not after 18th August. Karan's mother remembers that Karan's sister birthday is before 20th August but after 17th August. On which date of August is Karan's sister birthday?

If p3 - q3 = (p - q) ( (p - q)2 + x p q ) then value of x is

A train has to cover a distance of 900 km in 25 hours. What should be its average speed in meters/second?

What is the average of all numbers between 11 and 80 which are divisible by 6?

The difference between cost price and selling price is Rs 575. If profit percentage is 23%, then what is the selling price (in Rs)?

If(x + y)2 = xy + 1 and x3 – y3 = 1, then what is the value of x – y?