Quantitative Aptitude - Arithmetic Ability Questions

What is the value of 2+2+2+2.......

What approximate value should come in place of the question mark (?) in the following equation (Note: You are not expected to calculate the exact value)? √580×∛510+ 49.999 x 3.999=?

A and B together do a job in 6.75 days and A could do the job in 9 days if he worked alone. How many days would B take to do the job if he worked alone?

The average of 44 consecutive odd numbers is 144.What is the largest number?

S and T can finish a work in 50 days. They worked together for 20 days and then left. How much of the work is left?

The sum of the present ages of two cousins is 46 years. Eight years ago, the elder one was twice as old as the younger one. What is the present age of the elder cousin?

Point A divides segment BC in the ratio 1:3. Co-ordinates of B are (4,-4) and C are (0,6). What are the co-ordinates of point A?

If 3A = 7B = 13C, then A : B : C is equal to