9th Grade JEE Exam Quizzes, Questions & Answers

Think your child knows their 9th grade JEE Exam? Challenge them with our fun and engaging JEE Exam quizzes! Perfect for reinforcing classroom learning and discovering new facts about the world around them.

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JEE Main Sets Relations And Functions: Quiz!

Questions: 10 | Attempts: 1869 | 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: 1130 | 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