Quantitative Aptitude - Arithmetic Ability Questions

The marked price of a book is Rs 4200. The shopkeeper gives two successive discounts of 25% and y% to the customer. If the customer pays Rs 2898 for the book, then what is the value (in percentage) of y?

ΔPQR is right angled at Q. QS is the altitude. PQ is 2√13 cm and PS is 8 cm. What is the length of SR?

If x + 1/x = 6, then value of x2 + 1/x2 is

Choose the one which is odd from the following options.

Findout the odd word/letters/number/number pair from the given alternatives.
7 : 50 : : 9 : ?

A dealer is selling an article at a discount of 5% on the Marked price. If the Marked price is 12% above the cost price and the article was sold for Rs. 532 then the cost price is (in Rs.)

A man spends a part of his monthly income and saves the rest. The ratio of his expenditure to the saving is 61 : 6. If his monthly income is Rs.8710, the amount of his monthly savings is

Square of (3x – 5xy) is