Quantitative Aptitude - Arithmetic Ability Questions

A non-zero number is greater than 7 times its reciprocal by 9.3. What is the number?

Product of digits of a 2­digit number is 12. If we add 36 to the number, the new number obtained is a number formed by interchange of the digits. What is the number.

If (x - 13)2 + (y - 4)2 = 0, then the value of y + xy - x ?

If 192 pens cost is Rs.10, how many pens can be bought for Rs.5?

In an exam, the avarage marks obtained by John in English, Maths, Hindi and Drawing were 50. His average marks in Maths, Science, Social Studies and Craft were 70. If the average marks in all seven subjects is 58, his score in maths was

In the following question, select the odd word from the given alternatives.

If (1 - sinA)/(1 + sinA) = x, then x is

The incomes of S and T are in the ratio 3 : 4 and their expenditures are in the ratio 1 : 1. If S saves Rs 4000 and T saves Rs 22000, then what will be the income (in Rs) of S?