9th Grade JEE Exam Quizzes, Questions & Answers

Spark curiosity and test your child’s 9th grade JEE Exam knowledge with our engaging quizzes! Perfect for practice at home or in the classroom—encourage learning through play and exploration.

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JEE Main Sets Relations And Functions: Quiz!

Questions: 10 | Attempts: 1888 | Last updated: Mar 22, 2023

Sample Question
If A = {p, q, r, s} and B = {7, 8, 9}, find which of the following is a set of ordered pair, are relations from A to B?

R = {(7, p), (9, p)}

R = {(p, 7), (r, 8), (s, 7)}

R = {(7, s), (8, q), (r, 9)}

R = {(8, s), (9, q)}

JEE Main: Units, Dimensions And Error Analysis Quiz!

Questions: 10 | Attempts: 1133 | Last updated: Mar 20, 2023

Sample Question
The velocity of a transverse wave in a string is given by the formula where T is the tension in the string and m is mass per unit length. If T=7.0 Kg, the mass of the string is 5.0 g and the length of the string is 2.000 m then what will be the percentage error in the measurement of velocity?

1.74

0.72

2.31

3.63