Quantitative Aptitude - Arithmetic Ability Questions

At 13% discount the selling price of a oven is Rs 18000, what is the selling price if the discount is 27.5%?

If a and b are the roots of the equation Px2 – Qx + R = 0, then what is the value of (1/a2) + (1/b2) + (a/b) + (b/a)?

If Gangadhar's salary is 3/11 times of Hari's and Shambhu's is 3/4 times of Hari's, what is the ratio of Gangadhar's salary to Shambhu's?

Two numbers are 30% and 37% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

What will come in the place of question mark (?) in the following question (You do not have to calculate the exact value)?

(184.002 - 29 ÷ 5) × 29.997 = ?

If cotA = x, then the value of x is

If (4/5)A = 3B = (2/3)C, then what is A : B : C?

Find out the odd word/letters/number/number pair from the given alternatives.