Quantitative Aptitude - Arithmetic Ability Questions

If (-1/2) * ( x - 5) + 3 = -5/2, then what is the value of x?

What is the equation of the line perpendicular to the line 5x + 3y = 6 and having Y-intercept -3?

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

If tan ­-5π/3 = x, then the value of x is

If a+b+c=15 and 1a+1b+1c=71abc, then the a3+b3+c3-3abc is

If 192 pens cost is Rs.10, how many pens can be bought for Rs.5?

The average of 10 numbers is X and one of the number is 38. If 38 is replaced with 19, then what will be the new average?

After 10 innings the average score per innings of a batsman was 52. After 12 innings the average rose to 54. If the batsman had scored 16 more runs in the 12th innings than in the previous one, how many runs did he score in the 11th innings?