If  $${{(17)^3-(7)^3}\over (17^2+7^2+k)}=10 $$ , then what is the value of k?

Select the INCORRECTLY spelt word.

The following sentence has been split into four segments. Identify the segment that contains a grammatical error.
 After / a long and fun-filled day, / the children / slept themselves peacefully.

Select the most appropriate synonym of the given word.
 Confront

Select the most appropriate meaning of the given idiom.
 At one’s elbow

The bar graph given below shows the sales of books (in thousand number) from six branches - B1, B2, B3, B4 , B5 and B6 of a publishing company during two consecutive years 2000 and 2001.

Find the percentage (approximate) of the average sales of branches B2, B4 and B6 in the year 2001 to the average sales of branches B1, B3 and B5 in the year 2001.

Select the most appropriate synonym of the given word.
 Bafflement

The following sentence has been split into four segments. Identify the segment that contains a grammatical error.
 She had resign / from the / post before / he apologised.