Exams

Two points P and Q are at the distance of x and y (where y > x) respectively from the base of a building and on a straight line. If the angles of elevation of the top of the building from points P and Q are complementary, then what is the height of the building?

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.

She said, "I will have my report finished by tomorrow."

Product of 6ab, 3b and 4a is

A man covered a certain distance by a train running at the speed of 50 km/hr and covers the same distance back by walking at the speed of 5 km/hr. Ifthe whole journey took 5 hours 30 minutes, then what was the distance (in km) of one side?

Which among the following does not have a cell wall?

Which one of the following States will host the Nobel Prize Series—India 2018 (Science Impacts Life) Exhibition?

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.
Complete with regard to every detail

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.