Quantitative Aptitude - Arithmetic Ability Questions

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

Factors of 36 - 

X and Y are two alloys which are prepared by mixing zinc and aluminium in the ratio of 1 : 4 and 11 : 8 respectively. If equal quantities of alloys are melted to form a third alloy Z then what is the ratio of zinc and aluminium in alloy Z?

The line segment AB intersects the straight line CD at B; AB will be smallest when ∠ ABD (in degrees) is

Product of digits of a 2-digit number is 24. If we add 45 to the number, the new number obtained is a number formed by interchange of the digits.What is the original number?

The angle of elevation of a ladder leaning against a wall is 60 deg and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is

If the ratio of marked price and selling price is 11 : 10, then what is the discount percentage?

Find the fraction which bears the same ratio to 1/27 that 3/7 does to 5/9 .