Quantitative Aptitude - Arithmetic Ability Questions

If a1-2a+b1-2b+c1-2c = 12, then 11-2a+11-2b+11-2c value is

Find the odd word/letters/number from the given alternatives.

In a week, how many times are the hands of a clock at right angles with each other?

When a discount of 25% is given on a box of popcorn, the profit is 25%. If the discount is 10%, then the profit is

Ages of Lalu and Balu are in the ratio of 1 : 2. After 7 years their ages ratio changes to 3 : 5. The elder person age is

In triangle PQR, A is the point of intersection of all the altitudes and B is the point of intersection of all the angle bisectors of the triangle. If ∠PBR =105°, then what is the value of ∠PAR (in degrees)?

The ratio of present ages of Ranjini and Shahid is 5:4. After 13 years the ratio of their ages will be 6:5. What is Ranjini's present age?

A can do 1/3rd of a work in 5 days and B can do 2/5th of this work in 10 days. Both A and B, together can do the work in