The written exam for the ISRO Assistant consists of two papers – Paper I & Paper 2, both containing 100 marks.
The Paper 1 contains test sections on General English & General Studies. The descriptive General English consists of only two questions, weighing 10 marks each in which one essay & one letter is to be written. The General Studies sections consist of questions on “Test of reasoning”. The Paper 1 of ISRO Assistant exam is of duration 2 hours.
The Paper 2 contains test sections on Arithmetic, GK & Computer Literacy. As you can find, the questions are not very difficult. The paper 2 is of duration 2-1/2 hours.