Mathematics questions
18011 published questions with worked solutions.
- Let A= 1,2,3,4,5,6,7 . Then the relation R= (x,y) A A:x+y=7 is
- Let the number of elements in sets A and B be five and two respectively. Then the number of subsets of A B, each having at least...
- Let f:R- 2,6 R be a real valued function defined as f(x)= x^2+2x+1 x^2-8x+12 . Then the range of f is
- Let f(x)=(x+1)^2-1, x -1. Statement-1: The set x:f(x)=f^ -1 (x) = 0,-1 . Statement-2: f is a bijection.
- The equation e^ x -e^ - x -4=0 hasNot in JEE Main syllabus
- The value of 15^ 7 12^ 7 12^ is
- Let (0, 4 ) and t_1=( )^ , t_2=( )^ , t_3=( )^ and t_4=( )^ , then
- If is an acute angle and 2 = x-1 2x , then is equal to
- If ^2 = x^2+y^2+1 2x , then x must be
- ABC is right angled at C, then A+ B is equal to
- If A=130^ and x= A+ A, then
- If and satisfy 2 2 = + , then a possible value of + is
- If =m and =n, then 1m [(m+n)+ 1 m+n ] is
- The expression 2 13 9 13 + 3 13 + 5 13 is equal to
- If A- 6 A= 7 A, then A+ 6 A is equal to
- 1 80^ - 3 80^ is equal to
- ^217.5^ + ^272.5^ is equal to
- The value of the expression 1^ 2^ 179^ equals
- The value of x- x 2x is
- The value of the series 12^ + 84^ + 132^ + 156^ is