Quantitative Aptitude - Arithmetic Ability Questions

In a Rhombus ABCD, measure of angle CAB is 30°, what is the measure of angle ABC?

A batsman makes a score of 111 runs in the 10th match and thus increases his average runs per match by 5. What will be his average after the 10th match?

Find the Greatest Common Factor of 280 and 144.

If α and β are the roots of equation x2 – x + 1 = 0, then which equation will have roots α3 and β3?

Cost of 4 pens, 6 note books and 9 files is Rs 305. Cost of 3 pens, 4 notebooks and 2 files is Rs 145. What is the cost (in Rs) of 5 pens, 8 notebooks and 16 files?

If Cot θ = 21/20, then what is the value of Cosec θ?

Rearrange the jumbled up letters in their natural sequence and find the odd one out.

In the following question, select the odd number group from the given alternatives.