Quantitative Aptitude - Arithmetic Ability Questions

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

Select the odd number from the given alternatives.

If x2 – 4x + 1 = 0, then what is the value of x9 + x7 – 194x5 – 194x3?

An octahedron has 6 vertices. How many edges does it have?

If a + b = 1 and ab = -6, then what is the value of a3+ b3?

In the given figure, from the point P two tangents PA and PB are drawn to a circle with centre Oand radius 5 cm. From the point O, OC and OD are drawn parallel to PA and PB respectively. If the length of the chord ABis 5 cm, then what is the value (in deg) of COD?

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

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