Quantitative Aptitude - Arithmetic Ability Questions

A train, 200 m long, is running at a speed of 54 km/hr. The time in seconds that will be taken by train to cross a 175 m long bridge is

In a circle of radius 8 cm, AB and AC are two chords such that AB = AC = 12 cm. What is the length of chord BC?

If l + m + n = 9 and l2+m2+n2 = 31, then the value of lm + mn + nl will be

The bar chart given shows the sales of 3 types of cars in the Indian automotive industry over 4 years. All the sales figures have been shown in terms of 000 units.

What is the simple annual growth rate (in %) in the sales of SUV from 2009 to 2012?

A fraction becomes 6/5 when 5 is added to its numerator and becomes 1/2 when 4 is added to its denominator. What will be the value of the fraction?

In each question two equations numbered I and II are given,you haveto solve both the equation and choose the correctanswer.

$$\begin{gathered} I. 5x2+ 28x = -15 \\ II. 3y2+ 11y + 6 = 0 \end{gathered}$$

If a-1a=7,then a2+1a2=?

In how many years will Rs 2,000 yield Rs 662 as compound interest at 10% per annum compounded annually?