Quantitative Aptitude - Arithmetic Ability Questions

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?

What should be added to 8(3x - ­4y) to obtain 18x ­- 18y?

ΔABC is right angled at B. If m∠A = 45 deg, then find the value of (tanC + √3/2).

In the following question, select the odd word from the given alternatives.

The prices of chairs and tables are in the ratio of 9 : 5. If the chairs cost Rs. 4200 more than the tables, find the price of the tables? (in Rs.)

The cash difference between the selling price of an article at a profit of 2% and 18% is Rs. 3. The ratio of two selling prices is

Find co-ordinates of the mid point of the segment joining points C (3,-5) and D (-7,3).

Point P is the midpoint of segment AB. Co-ordinates of P are (3 , 1) and B are (5, -4). What are the co-ordinates of point A?