Quantitative Aptitude - Arithmetic Ability Questions

A can paint a house in 42 days and B can do it in 21 days. Along with C, they can finish the job in 7 days only.C alone can do the painting job in how many days, ?

Find a two digit number which is exactly three times the product of its digits?

In a week, how many times are the hands of a clock at right angles with each other?

A tetrahedron has 4 vertices. How many edges does it have?

What is the value of 128 + 7232

If cotθ = 4, then the value of 5sinθ+3cosθ5sinθ-3cosθ is

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

Select the odd number from the given alternatives.