Exams

The co-ordinates of the centroid of a triangle ABC are (-1 , 4). What are the co-ordinates of vertex C if co-ordinates of A and B are (-3 , -1) and (3 , 5) respectively?

If "÷" denotes "multiplied by", "+" denotes "subtracted from", "x" denotes "added to" and "–" denotes "divided by",then

12 – 6 + 28 x 3 ÷ 9 = ?

In the following, rectangle represents Physicians, circle represents Floral designers, triangle represents Sculptors and square represents Americans. Which set of letters represents Americans who are either Floral designers or Sculptors?

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

Many countries and States (is debating) a ban on plastic bags or taxing their use.

Average marks obtained by 19 boys of a college is 56. If the highest marks and lowest marks obtained are removed, then the average reduces by 2. What is the average of the highest and lowest marks obtained?

For real a, b and c if a2 + b2 + c2 = ab + bc + ca, then find the value of a+b+c2.

The line graph shows the production of steel of a certain country. Study the diagram and answer the following questions.

The steel production in 2012 were greater than that in 2015 by ________.

Slow-growing large coloured patches on the bark of trees are the examples of symbiotic life forms called ______.