Quantitative Aptitude - Arithmetic Ability Questions

Point P is the midpoint of segment AB. Co-ordinates of P are (5,-4) and A are (7,0). What will be the co-ordinates of point B?

Of the 5 numbers whose average is 76, the first is 3/7 times the sum of other 4. The first number is

D and E are points on the sides AB and AC respectively of ΔABC such that DE is parallel to BC and AD:DB = 4:5, CD and BE intersect each other at F. Then the ratio of the areas of ΔDEF and ΔCBF

If Sin θ = 12/13, then what is the value of Cot θ?

If C + 1C = 3, then what is the value of C-37+1C7?

25% discount is offered on an item. By applying a promo code a customer wins 10% cash back. What is the effective discount?

A shopkeeper by selling 21 Nike shoes, earns a profit equal to the selling price of 5 Nike shoes. His profit percentage is

Find the odd one out.