Maths-
General
Easy
Question
The number of numbers of 9 different non-zero digits such that all the digits in the first four places are less than the digit in the middle and all the digits in the last four places are greater than the digit in the middle is
The correct answer is:
Fix 5 at middle place, 1, 2, 3, 4 on left side and 6, 7, 8, 9 on right side can be arranged in ways
Related Questions to study
chemistry-
The order of stability of the given radical is
The order of stability of the given radical is
chemistry-General
chemistry-
In the carbocation 
the species 
that is most likely to migrate the positively charged carbon is
In the carbocation the species that is most likely to migrate the positively charged carbon is
chemistry-General
chemistry-
Consider the hydrogen atoms attached to three different carbon atoms (labeled,2 &). Rank the attached hydrogen atoms in order from most acidic to least acidic. 
Consider the hydrogen atoms attached to three different carbon atoms (labeled,2 &). Rank the attached hydrogen atoms in order from most acidic to least acidic.
chemistry-General
chemistry-
Rank in the order of increasing acidity.
Rank in the order of increasing acidity.
chemistry-General
chemistry-
Increasing order of acidic strength of given compounds is :
Increasing order of acidic strength of given compounds is :
chemistry-General
chemistry-
Which statement is incorrect in respect of the above reaction?
Which statement is incorrect in respect of the above reaction?
chemistry-General
chemistry-
The correct order of decreasing basic strengths of x, y and z is:
The correct order of decreasing basic strengths of x, y and z is:
chemistry-General
chemistry-
Arrange the (C–H) bonds x, y and z in decreasing order of their bond dissociation energies in homolysis.
Arrange the (C–H) bonds x, y and z in decreasing order of their bond dissociation energies in homolysis.
chemistry-General
chemistry-
The approach of the following equilibrium was observed kinetically from the both directions 
at 25°C. It was found that 
The variation of equilibrium constant of the above reaction with temperature is as shown by the graph as under. Given 
What will be the value of the equilibrium constant at 25°C when the fourth 
gets complexed?
The approach of the following equilibrium was observed kinetically from the both directions at 25°C. It was found that The variation of equilibrium constant of the above reaction with temperature is as shown by the graph as under. Given
What will be the value of the equilibrium constant at 25°C when the fourth gets complexed?
chemistry-General
chemistry-
The approach of the following equilibrium was observed kinetically from the both directions at 25°C. It was found that The variation of equilibrium constant of the above reaction with temperature is as shown by the graph as under. Given
What will be the value of the equilibrium constant at 25°C for the forward reaction?
The approach of the following equilibrium was observed kinetically from the both directions at 25°C. It was found that The variation of equilibrium constant of the above reaction with temperature is as shown by the graph as under. Given
What will be the value of the equilibrium constant at 25°C for the forward reaction?
chemistry-General
chemistry-
The approach of the following equilibrium was observed kinetically from the both directions at 25°C. It was found that The variation of equilibrium constant of the above reaction with temperature is as shown by the graph as under. Given
What will be the value of pre-exponential factor i.e. A?
The approach of the following equilibrium was observed kinetically from the both directions at 25°C. It was found that The variation of equilibrium constant of the above reaction with temperature is as shown by the graph as under. Given
What will be the value of pre-exponential factor i.e. A?
chemistry-General
chemistry-
The approach of the following equilibrium was observed kinetically from the both directions at 25°C. It was found that The variation of equilibrium constant of the above reaction with temperature is as shown by the graph as under. Given
From the above graph, what will be the value of 
(in joules) of the reaction at 25°C temperature? Assume 
The approach of the following equilibrium was observed kinetically from the both directions at 25°C. It was found that The variation of equilibrium constant of the above reaction with temperature is as shown by the graph as under. Given
From the above graph, what will be the value of (in joules) of the reaction at 25°C temperature? Assume
chemistry-General
chemistry-
is 40% dissociated when pressure is 2 atm. It will be 80% dissociated when pressure is approximately
is 40% dissociated when pressure is 2 atm. It will be 80% dissociated when pressure is approximately
chemistry-General
physics-
A vessel contains a slab of glass 8cm thick and of refractive index 1.6 over the slab, the vessel is filled by oil of refractive index 
upto height 4.5 cm and also by another liquid i.e., water of refractive index 
and height 6cm as shown in figure. An observer looking down from above, observes that, a mark at the bottom of the glass slab appears to be raised up to position 6cm from the bottom of the slab. The refractive index of the oil is
A vessel contains a slab of glass 8cm thick and of refractive index 1.6 over the slab, the vessel is filled by oil of refractive index upto height 4.5 cm and also by another liquid i.e., water of refractive index and height 6cm as shown in figure. An observer looking down from above, observes that, a mark at the bottom of the glass slab appears to be raised up to position 6cm from the bottom of the slab. The refractive index of the oil is
physics-General
maths-
The arrangement of the following hyperbolas in the ascending order of the radius of their director circles.
A) 
B) 
C) 
D) 
The arrangement of the following hyperbolas in the ascending order of the radius of their director circles.
A)
B)
C)
D)
maths-General
