Quantitative Aptitude - Arithmetic Ability Questions

Select the odd word from the given alternatives.

If L : M = 3 : 5 and M : N = 2 : 3, then N : L = ?

If 1p+1q = 1p+q, then the value of p3-q3

X and Y started a business investing Rs 12000 and Rs 9000 respectively. After 4 months, X left the business and Z joined the business by investing Rs. 18000. At the end of the year, there was a profit of Rs 12500. What is the share (in Rs) of Z in the profit?

Number of composite numbers lying between 67 and 101 is

Two successive discounts of 10% and 25% are given by Raman on a shirt. If the marked price of the shirt is Rs 600, then what is the value (in Rs) of discount?

In the question, two equations I and II are given. You have to solve both the equations and give answer

$$\begin{gathered} x2-11x+28=0 \\ y2-18y+81=0 \end{gathered}$$

If [7(5x/3 - 3/2)]/2 + 3/2 = 1/4, then what is the value of x?