Quantitative Aptitude - Arithmetic Ability Questions

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

If 4x2= 152- 92, then value of x is

If θ is positive acute angle and 7cos2Ɵ + 3sin2Ɵ = 4, then the value of θ is

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

6.651 -­ (148.6 ­- x ) -­ 57.22 = 6.098. Find x.

When a number is increased by 216, it becomes 140% of itself. What is the number?

Ehsaan is twice as good a worker as Kamal and together they finish a piece of work in 29 days. In how many days will Kamal, working alone, finish the work?

A sum of Rs 2489 is divided among A, B and C such that if Rs 12, Rs 12 and Rs 5 be diminish from the shares of A, B and C respectively, then theirshares will be in the ratio of 5 : 3 : 4. What is the new share (in Rs) of C?