Quantitative Aptitude - Arithmetic Ability Questions

If α + β = 90° and α:β = 2:1, then the ratio of cosα to cosβ is

Find the greatest length which can be used to measure exactly three cloth pieces of lengths 1.26 m, 1.98 m and 1.62 m respectively.

If sin - 4π/3 = x, then the value of x is

Select the odd number from the given alternatives.

In these tests find the Odd figure out

If cosαcosβ=m and cosαsinβ=n,then the value of m2+n2 cos2β is

If three numbers are in the ratio 2 : 3 : 5 and the twice their sum is 100. Find the square of the largest of the three numbers.

12 men complete a work in 9 days. After they have worked for 6 days, 6 more men join them. How many days will they take to complete the remaining work?