Quantitative Aptitude - Arithmetic Ability Questions

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

If a = 3+23-2, b = 3-23+2 then a2+b2-ab ?

A bag contains coins of denominations Rs.1, Rs.5 and Rs.10. Assuming there are equal number of Rs.1, Rs.5 and Rs.10, what will be the total number of coins in the bag be if the total money is Rs. 368?

Five angles of a hexagon measure 116 deg each. What is the measure of the remaining angle?

The sum of all prime numbers between 18 and 32 is:

Convert decimal number 101 to binary.

A, B and C can do a job working alone in 6, 9 and 18 days respectively. They all work together for 1 day, then A and B quit. How many days C working alone will take to complete the remainder of the job?

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?