Quantitative Aptitude - Arithmetic Ability Questions

At least one diagonal bisects the other in a _____.

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

Determine the value of ‘r’ for which the equation 13x + 5 = rx + 18 has no solution.

Select the odd word/letters/number/number pair from the given alternatives.

If a young son works quickly for 2 hours and prepares 16 items in a day, and his old father works slowly for 8 hours and prepares 24 items in a day, which of the following is true?

The sum of present age of father and his son is 60 yrs. Six years ago, father's age was five times the age of the son. After 6 years, son's age will be?

A sum of Rs 4000 becomes Rs 7000 in 6 years at simple interest. If the rate of interest becomes double of itself, then what will be the amount (in Rs) after 6 years?

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