Quantitative Aptitude - Arithmetic Ability Questions

A sump is filled by three tankers with uniform flow. The first two tankers operating simultaneously fill the sump in the same time during which the sump is filled by the third tanker alone. The second tanker fills the sump 5 hours faster than the first tanker and 4 hours slower than the third tanker. The time required by the first tanker is:

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

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

Convert binary 10110 to decimal.

The area of a square is equal to its side, if the side is 1 unit.

What is the value of tan150°?

The simplified form of (x + 3)2 + (x - 1)2 is

On dividing a number by 38, we get 70 as quotient and 12 as remainder. What is the number?