Quantitative Aptitude - Arithmetic Ability Questions

The measures of the four angles of a quadilateral are in the ratio 3:4:5:6. What is the measure of the biggest angle?

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

If x=aCosθCosΦ, y = aCosθSinΦ and z= aSinθ, then the value of x2+ y2 + z2 is

Which of the following quadratic equations has real roots?

What is the value of xy if x - y = 3 and x2+y2=15?

Find the value of 777777?

What is the simplified value of (cosec A – sin A)(sec A – cos A)(tan A + cot A)?

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