Quantitative Aptitude - Arithmetic Ability Questions

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

Find the odd word/letters/number 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?

Karteek is twice as good a foreman as Raju and together they finish a piece of work in 20 days. In how many days will Raju alone finish the work?

If the average age of four children is 12 years and the average age of these children and their fathers is 20 years, what is the age of the father?

If tanθ + cotθ = 5, then the value of tan2θ + cot2θ is

If a - b = 3 and a2+b2=25, then the value of ab is

Find the total surface area (in cm2 ) of a hemisphere of diameter 42 cm.