Quantitative Aptitude - Arithmetic Ability Questions

The average of marks of 17 students in an examination was calculated as 71. But it was later found that the mark of one student had been wronglyentered as 65 instead of 56 and another as 24 instead of 50. The correct average is

What will be the net discount (in %) of two successive discounts of 15% and 35%?

(1155) +(18 − 6) × 9 =?

Monthly salaries of Pia and Som are in the respective ratio of 5: 4. Pia, from her monthly salary, gives th to her mother. 15% towards her sister’s tuition fees, 18% towards a loan and she shops with the remaining amount which was Rs. 2,100. What is the monthly salary of Som ?

The mode and median of the data 8, 6, 8, 7, 8, 6, 8, 7, 6 is

If 5x + 1/x = 10, then x2 + 125x2 is equal to

If angles of measure (5y + 62°) and (22° + y) are supplementary , then value of y is

A shopkeeper, sold walnuts at the rate Rs 1,190 a kg and bears a loss of 10%. Now if he decides to sell it at Rs 1,249.5 per kg, what will be the result?