Practice/Question bank/JEE Main
JEE Main practice questions
NTA-style Physics, Chemistry and Maths MCQs with solutions. 2,688 questions in the bank.
- 1Number of ways 3 girls and 5 boys can be seated around a circular table such that no two girls sit together and not more than two boys sit…Mathematics· Permutations and Combinations· Moderate· figure
- 2Let A = set of all 3 × 3 matrices having entries +1 or -1, if a matrix B from the set A is chosen randomly, then the probability that the…Mathematics· Probability· Tough
- 3If a and b are any two numbers belonging to the set, then the number of pairs (a, b) such that product of a and b is divisible by 3 isMathematics· Permutations and Combinations· Tough
- 4The number of ways in which 15 identical toys can be distributed among 3 children so that each of them gets at least two toys is equal toMathematics· Permutations and Combinations· Moderate
- 5The coefficient of x^4 in the expansion of $\left( 1 + x + x^{2} + x^{3} \right)^{11}$ is (where $(n\ r\ ) = \ ^{n}C_{r})$Mathematics· Binomial Theorem· Tough
- 6A man wants to distribute 101 coins of a rupee each; among his three sons with the condition that no one receives more money that the…Mathematics· Permutations and Combinations· Tough
- 7In a workshop there are five machines and the probability of any one of them to be out of service on a day is $\frac{1}{4}$. If the…Mathematics· Probability· Moderate
- 8Let n be an odd integer and the number $(n\ 151\ )$ is divisible by $(n\ 150\ )$ but is not equal to it. Then the half of sum of the digits…Mathematics· Binomial Theorem· Moderate· figure
- 9In an box, there are 20 cards, out of which 10 are labelled as A and the remaining 10 are labelled as B. Cards are drawn at random, one…Mathematics· Probability· Easy
- 10If a_r denotes the coefficients of x^r in the expansion of $(1 - x)^{2n - 1}(n \in N)$ then the sum of possible values of (a_r-1 + a_2n-r)…Mathematics· Binomial Theorem· Tough· figure
- 11If the coefficient of $x^{12}$ in $\left( (1 + 2x)^{10} + (1 + 2x)^{11} + \ldots + (1 + 2x)^{20} \right)$ is $\ ^{n}C_{r} \cdot 2^{r}$ then…Mathematics· Binomial Theorem· Moderate· figure
- 12(If the ratio of co-efficient of three consecutive terms in expansion of $(1 + x)^{n}$ is $1:7:42$ then n =Mathematics· Binomial Theorem· Moderate· figure
- 13The chance that the vowels are separated in an arrangement of the letters of the word "HORROR" isMathematics· Probability· Moderate· figure
- 14If A, B and C are three events such that that P(B)Mathematics· Probability· Moderate· figure
- 15Total number of ways in which 15 identical blankets can be distributed among 4 persons so that each of them gets at least two blankets,…Mathematics· Permutations and Combinations· Moderate
- 16A missile is destroyed before hitting the target by a probability of $\frac{1}{3}$. If the missile is not destroyed probability of hitting…Mathematics· Probability· Easy· figure
- 17The term that is independent of x in the expansion of$\ $ is.Mathematics· Binomial Theorem· Moderate· figure
- 18The sum of the series $\ ^{20}C_{0} - \ ^{20}C_{1} + \ ^{20}C_{2} - \ ^{20}C_{3} + \ldots + \ ^{20}C_{10}\ is\ $Mathematics· Binomial Theorem· Moderate
- 19Let f (x) $= \frac{1}{\sqrt{6 - \left\lbrack x^{2} - 2 \right\rbrack}}$, is the greatest integer function, then number of positive integral…Mathematics· Functions· Easy
- 20denotes greatest integer function then,Mathematics· Continuity and derivability· Tough· figure
- 21For what triplets of real numbers (a, b, c) with a $\neq$ 0 the function $f(x) = \left\{ \begin{matrix} \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \…Mathematics· Continuity and derivability· Tough
- 22The Rolle's theorem is applicable in the interval [IMAGE] for the functionMathematics· Continuity and derivability· Easy· figure
- 23If $\lim_{x \rightarrow 1}\mspace{2mu}\frac{1 - x + lnx}{1 + cos\pi x} = L$, then $|\lbrack 17L\rbrack|$ equals denotes greatest integer…Mathematics· Limits, continuity and derivability· Tough
- 24The least positive integral value of for which the function f (x) = 2 b x-3 sin x + c is monotonically increasing $\forall x \in$ R isMathematics· Functions· Easy· figure