Quantitative Aptitude - Arithmetic Ability Questions

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

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?

Simple interest on a sum of Rs 67400 for 14 months is Rs 4718. What is the rate (in percentage) of interest per annum?

What is the value of Cot 60°- Cos 45°?

(−12)[11+7×(−3)]÷{}[413−(−3)×(−6)]=

A, B and C can complete a task together in 10 days. A and B would need 12 days if only the two of them worked, while B and C would take 20 days if only the two of them worked. If B worked alone, how many days would she take to complete the task?

In a bag, the ratio of red balls to green balls is 4:9. If 7 more red balls are added to the bag, the ratio of red balls to green balls will become 5:6. How many green balls are there in the bag?