JEE Main questions
34495 published questions with worked solutions.
- A flask contains a mixture of compounds A and B. Both compounds decompose by first-order kinetics. The half-lives for A and B are...
- If a person is suffering from the deficiency of nor-adrenaline, what kind of drug can be suggested ?Not in JEE Main or NEET syllabus
- The correct electronic configuration and spinonly magnetic moment (BM) of Gd^ 3+ (Z = 64), respectively, are
- In the sixth period, the orbitals that are filled are
- an oxidation-reduction reaction in which 3 electrons are transferred has a G^0 of 17.37 kJ mol ^ -1 at 25°C. The value of E_ cell...
- The minimum number of moles of O_2 required for complete combustion of 1 mole of propane and 2 moles of butane is ______.
- The total number of coordination sites in ethylene diamine tetraacetate ( EDTA^ 4- ) is _____.
- The number of chiral carbon(s) present in peptide, Ile-Arg-Pro, is _____.
- A soft drink was bottled with a partial pressure of CO_2 of 3 bar over the liquid at room temperature. The partial pressure of...
- If 3^ 2 2 -1 , 14 and 3^ 4-2 are the first three terms of an A.P. for some , then sixth term of this A.P. is :
- If the function f(x)= cases k_1(x- )^2-1, & x _2 x, & x> cases is twice differentiable, then the ordered pair (k_1,k_2) is equal...
- If the common tangent to the parabolas y^2=4x and x^2=4y also touches the circle, x^2+y^2=c^2, then c is equal to :
- If the volume of a parallelopiped, whose coterminus edges are given by the vectors a = i + j +n k , b =2 i +4 j -n k and c = i +n...
- If y = y(x) is the solution of the differential equation 5+e^x 2+y dy dx +e^x=0 satisfying y(0) = 1,then a value of y( _e13) is :
- A survey shows that 73% of the persons working in an office like coffee, whereas 65% like tea. If x denotes the percentage of...
- The product of the roots of the equation 9x^2-18|x|+5=0, is
- If (e^ 2x +2e^x-e^ -x -1)e^ (e^x+e^ -x ) dx=g(x)e^ (e^x+e^ -x ) +c, where c is a constant of integration, then g(0) is equal to :
- If the minimum and the maximum values of the function f: [ 4 , 2 ] R, defined by : f( )= vmatrix - ^2 &-1- ^2 &1 - ^2 &-1- ^2 &1...
- Let R. The system of linear equations 2x_1-4x_2+ x_3=1 x_1-6x_2+x_3=2 x_1-10x_2+4x_3=3 is inconsistent for :
- Is S is the sum of the first 10 terms of the series ^ -1 ( 1 3 )+ ^ -1 ( 1 7 )+ ^ -1 ( 1 13 )+ ^ -1 ( 1 21 )+ , then tan(S) is...