Quantitative Aptitude - Arithmetic Ability Questions

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

30% discount is offered on an item. By applying a promo code the customer wins 20% cash back. What is the effective discount?

A missile travels at 1278 km/h. How many metres does it travel in one second?

Δ LMN is right angled at M. If m∠N = 60 deg., then Tan L =______.

The solution set of 4x - 3y = 47 and 3x + y = 32 is

If cos 240° = x, then value of x is

If tanA + tanB = X, then the value of X is

A can do a piece of work in 8 days and B can do it in 10 days seperately. How many days would it take for both A and B to finish the same work together?