Exams

In triangle PQR, C is the centroid. PQ = 30 cm, QR = 36 cm and PR = 50 cm. If D is the midpoint of QR, then what is the length (in cm) of CD?

A man moves 24 metres in south direction and turns 90 degrees anticlockwise and moves another 7 metres and takes a right turn and moves 3 metres and then moves 3 metres in the north direction. Find the distance between his initial and his final position.

The law of conservation of mass states that mass cannot be changed overtime.

Introducing a boy Ankit said," He is the son of daughter of my grandfather's son". How is that boy related to Ankit?

If a merchant offers a discount of 40% on the list price, then he makes a loss of 10%. What % profit or % loss will he make if he sells at a discount of 20% of the list price?

Improve the bracketed part of the sentence.
I (didn't see) him since we met two years ago.

In human body, the cell growth and differentiation are highly controlled and regulated, but in cancer cells

In a row of books a book of English is 16th from left end of row. A book of Mathematics is 12th from the right end. If the Mathematics book is 6th to the right of the English book, then how many total books are in the row?