Quantitative Aptitude - Arithmetic Ability Questions

10 identical solid spherical balls of radius 3 cm are melted to form a single sphere. In this process 20% of solid is wasted. What is the radius (in cm) of the bigger sphere?

In the following question, select the odd word pair from the given alternatives

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

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

The HCF of two numbers is 12 and their LCM is 72. If one of the two numbers is 24, then the other number is

In the following question, select the odd letters from the given alternatives.

If a+1b = 1 and b+1c = 1 then c+1a = ?

The value of the expression 2(sin6θ+cos6θ) - 3(sin4θ+cos4θ) + 1 is