Quantitative Aptitude - Arithmetic Ability Questions

Find the odd words/letters/number from the given alternatives.

25% discount is offered on an item. By applying a promo code the customer wins 8% cash back. What is the effective discount?

A piece of work was finished by A, B and C together. A and B together finished 60% of the work and B and C together finished 70% of the work. Who among the three is most efficient?

A bank offers 15% compound interest per half year. A customer deposits Rs 2400 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is

A sum of Rs. 2000 amounts to Rs. 4000 in two years at compound interest. In how many years does the same amount becomes Rs. 8000.

If πsinθ= 1, πcosθ= 1, then (3tan 23θ+1) is

If P = 7 + 4√3 and PQ = 1, then what is the value of (1/P2) + (1/Q2)?

Choose the word is least like the other words in the group