Quantitative Aptitude - Arithmetic Ability Questions

Sum of three consecutive integers is 51 . The middle one is:

The ratio of spirit and water in the two vessels is 5 : 1 and 3 : 7 respectively. In what ratio the liquid of both the vessels should be mixed such that a new mixture containing half spirit and half water is obtained?

If Gadadhar's salary is 3/2 times of Haamid's and Sarvesh's is 4/3 times of Haamid's, what is the ratio of Gadadhar's salary to Sarvesh's?

If a - b = -1 and ab = 6, then what is the value of a3- b3?

Select the odd word/letters/number/number pair from the given alternatives.

Select the odd number from the given alternatives.

Choose the one which is odd from the following options.

When a number is increased by 21, it becomes 114% of itself. What is the number?