Questions

Find the potential energy gained by a body of mass 25 kg, if it is raised by 5 m. (use g = 10 m/s2)

Which country has made world's first all-electric ship, which can travel up to 80 Km with 200 tons cargo after a two hour charge?

The outermost layer of Earth is called _______.

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
Organic pulses are so popular today (1)/ that many people wonder (2)/ how they ever lived without them. (3)/ No Error (4)

The primary function of RNA is

_____ is the fourth state of matter.

Who wrote the book 'Glimpses of World History'?

If D and E are points on the sides AB and AC respectively of a triangle ABC such that DE||BC. If AD = x cm, DB = (x – 3) cm, AE = (x + 3) cm and EC= (x – 2) cm, then what is the value (in cm) of x?