Quantitative Aptitude - Arithmetic Ability Questions

The area of the square field is 196 sq.m. Its each side is

Jalal, Amit and Feroz enter into partnership. Jalal invests 4 times as much as Amit and Amit invests three-fourth of what Feroz invests. At the end of the financial year, the total profit earned is Rs. 19,000. Find the share for Jalal.

Two bottles contain acid and water in the ratio 2 : 3 and 1 : 2 respectively. These are mixed in the ratio 1 : 3. What is the ratio of acid and water in the new mixture ?

A,B and C contract a work for Rs. 440. Together A and B are to do 9/11 of the work. The share of C should be:

90% of X = 40% of Y and Y = a% of X. What is the value of a?

In each of the following questions two equations I and II are given. Solve both the equations and give answer:
$$\begin{gathered} I. x2+2x-195=0 \\ II. y2+30y+225=0 \end{gathered}$$

Find the L.C.M of 4/5, 2/3 and 5/7.

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