Quantitative Aptitude - Arithmetic Ability Questions

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

If SinX-CosX=1, where 'X' is an acute angle, the value of SinX+CosX is

What is the slope of the line, perpendicular to the line 3x - 6y = 4?

A work can be completed by 28 women in 36 days. If 4 women leave after working for 18 days, then how many days will be needed to complete the remaining work?

Two cars travel from city A to city B at a speed of 42 and 60 km/hr respectively. If one car takes 2 hours lesser time than the other car for the journey, then the distance between City A and City B is:

If A : B = 1 : 4 and B : C = 2 : 3, then what is A : B : C?

If a:b = 3:8, find the value of (5a ­ 3b)/(2a + b).

If cos3A = X, then value of X?