Quantitative Aptitude - Arithmetic Ability Questions

A shopkeeper offers the following 3 schemes. Which scheme has the lowest discount percentage (all articles have same marked price)?

I. Two successive discounts of 10% and 10%

II. Buy 7 get 8

III. Buy 9 get 1 free

Find the fourth proportional to 2, 3, 6.

Choose the odd one out from among the given figures.

If the cost price of 48 articles is equal to the selling price of 32 articles, then what is the profit percentage?

From a pack of 52 cards, 3 cards are drawn together atrandom, What is the probability of both the cards are king?

Nine students of a class contribute a certain sum of money. Seven of them gave Rs. 50 each and the other two gave respectively Rs. 50 and Rs. 90 more than the others. The average contribution of the class of 9 students is

The incomes of P and Q are in the ratio 4 : 7 and their expenditures are in the ratio 3 : 7. If P saves Rs 10000 and Q saves Rs 7000, then what will be the income (in Rs) of P?

If the true discount on sum due 2 years hence at 14% per annum be Rs. 168, the sum due is