# JEE Main Solved Mathematics Sample Paper 2019 Set-I

##### JEE Main Solved Mathematics Sample Paper 2019 Set-I

This post provides the 2019 JEE Main Solved Mathematics Sample Papers. This sample exam is crucial for the upcoming computer-based test (CBT) of the JEE Main examination.

Sample questions and questions from past years are useful for evaluating your preparation and time management. It will also assist in improving your examination performance. The JEE Main Solved Mathematics Sample Paper Set-I will be provided to engineering candidates based on the most recent pattern and syllabus. This sample exam comprises of thirty Mathematics questions. Each question is extremely crucial from an examination standpoint and was developed by Mathematics Subject Experts.

The Joint Entrance Examination (JEE) is a national engineering entrance exam. It includes two levels, namely JEE Main and JEE Advanced. It is administered for admission to the Indian Institute of Technology (IITs), the Indian Institute of Information Technology (IIITs), the National Institute of Technology (NITs), the Government-funded Technical Institutes (GFTIs), and other famous engineering institutes.

Few questions from the sample paper are given below:

Question:

If eight astronaughts are to go for space walk, then the number of ways in which a specified astronaughts is to walk before another specified astronaughts is

(A) 2520

(B) 20160

(C) 40320

(D) none of these

Solution: (B)

The number of ways in which a specified astronaughts is to walk before another specified astronaughts is given by

Question:

If T0T1T2, …., Tn represent the terms in the expansion of (x + a)n, then the value of (T0 –T2 + T4  T6 + …..)2 + (T1 –T3 + T5 + …..)2 is

(A) (x2 – a2)n

(B) (x2 + a2)n

(C) (a2 – x2)n

(D) none of these

Solution: (A)

Question:

If G is the G.M. of the product of r sets of observations with geometric means G1G2, …., Gr respectively, then G is equal to

(A) logG1 + logG2 + ….. + logGn

(B) G1.G2 …. Gn

(C) logG1 . logG2 …. logGn

(D) none of these

Solution: (B)

Question:

Two children each make a single throw with a pair of dice. The probability that the throws are unequal is given by

Solution: (D)