Quantitative Aptitude - Arithmetic Ability Questions

The marked price of a ceiling fan is Rs. 1200 and the shopkeeper allows a discount of 5 % on it. Then selling price of the fan is

The ratio of incomes of P and Q is 5 : 3. Ratio of income of Q and R is 5 : 2. If one-fourth of P’s income is Rs 500 more than the R’s income, then what is the income (in Rs) of Q?

If 3x + 5y + 7z = 49 and 9x + 8y + 21z = 126, then what is the value of y?

If sin3A = x, then value of x is

Find k, if the line 4x - y = 1 is perpendicular to the line 5x - ky = 2?

The value of (sec245 - cot245) - (sin230 + sin260) is

PQRS is a square, M is the mid-point of PQ and N is a point on QR such that NR is two-third of QR. If the area of ΔMQN is 48 cm2 , then what is the length (in cm) of PR ?

In ∆ABC, ∠A = 90°, AD ⊥ BC and AD = BD = 2 cm. The length of CD is