Questions

A person lifts luggage of 20 kg from the ground and puts it on his head 2 in above the ground. Calculate the work done by him. (g = l0 )

Why does water tank appear shallower when viewed from the top?

Which space telescope discovered a new dwarf galaxy ‘Bedin 1’ in cosmic neighbourhood?

A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence in Passive/Active Voice.

I am observing the animals.

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.

He said, "This is a bad idea."

In the following question the 1st and the last part of the sentence/passage are numbered 1 and 6. The rest of the sentence/ passage is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is correct.

1. The recipe of making white sauce is very simple.
P. Stir the mixture of maida and butter constantly.
Q. Put one table spoon of fine flour (maida) when the butter gets heated.
R. Heat one table spoon of butter in a pan.
S. Add one cup of milk to the mixture and cook for one minute.
6. Add salt and pepper to taste.

Bhanu takes a total of 6 hrs 50 min in walking a distance and running back to same place where she started. She could walk both ways in 8 hrs 30 min. The time taken by her to run both ways is :

If the angle subtended by the radius of the circle and vertex B of the triangle ABC is 400. Then calculate the value of ∠BAC