Exams

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

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

Short term side effects of alcohol and other drugs include

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

An achievement or something desired fail to be attained by someone

Which country shares the longest border with China?

Improve the bracketed part of the sentence.
(Hardly nothing) was offered to the victims of the earthquake.

If x and y are natural numbers such that x + y = 2017, then what is the value of (– 1)x+ (– 1)y?

Identical cubes of largest possible size are cut from a solid cuboid of size 65 cm × 26 cm × 3.9 cm. What is the total surface area (in cm2) of all the small cubes taken together?

Weight of a person at a height of 2R from the centre of the earth, where R is the radius of the earth _______.