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If N=2^(n-1).(2^n-1) where 2^n-1 is a p...

If `N=2^(n-1).(2^n-1)` where `2^n-1` is a prime, then the sum of the all divisors of N is

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RESONANCE DPP-JEE MAINS-All Questions
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  2. The mean of the data set comprising of 16 observation is 16. If one...

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  3. If N=2^(n-1).(2^n-1) where 2^n-1 is a prime, then the sum of the all ...

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  4. The value of int0^(pi/4) (e^(1/(cos^2x)).sinx)/(cos^3 x)dx equals ...

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  5. If z=sqrt(3)-2+i , then principal value of argument z is (where i=sqrt...

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  6. If 3A=[-1-2-2 2 1-2x-2y] such that AA^T=I , then which of the followin...

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  7. A man throws a fair coin number of times and gets 2 points for each he...

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  8. The solution of the equation sin^3x+sinxcosx+cos^3x=1 is (nN) 2npi ...

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  9. underset(x to0)(lim)((1+a^(3))+8e^(1//x))/(1+(1-b^(3))e^(1//x))=2 " th...

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  11. Number of four digit number between 5000 and 6000 such that digit a...

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  12. In a square matrix A of order 3 each element a(i i) is equal to the su...

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  13. If the letters of the word SACHIN are arranged in all possible ways...

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  14. If Aa n dB are two non-singular square matrices obeying commutative r...

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  15. Let z be a complex number. If the minimum value of |z|^2+|z-3|^2+|z-3...

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  16. The number of solutions of the equation cot(sin x+3)=1, in [0,3pi] i...

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  17. A bag initially contains 1 red and 2 blue balls. An experiment consist...

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  18. Show that |^x Cr^x C(r+1)^x C(r+2)^y Cr^y C(r+1)^y C(r+2)^z Cr^z C(r+1...

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  19. If f(x)=x^3+4x^2+lambdax+1 is a monotonically decreasing function of x...

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  20. The number of 2xx2 matrices X satisfying the matrix equation X^2=I(I...

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