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The mean of 11 items overline(X). If fir...

The mean of 11 items `overline(X)`. If first item is increased by 1, second item by 2 and so on, then new mean becomes `lamda` more than `overline(X)` and `lamda` is

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If the first item is increased by 1, second by 2 and so on, then the new mean is

The mean of n items is overline(X) . If the first item is increased by 1, second by 2 and so on, then the new mean is

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The mean of n observation is barX . If the first observation is increased by 1^(2) , second by 2^(2) and so on, then the new mean is

The mean of ten items is 17 and if each item is increased by 5, then the new mean will be

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RESONANCE DPP-JEE MAINS-All Questions
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  2. Let F(x)=1+f(x)+(f(x))^2+(f(x))^3 where f(x) is an increasing differen...

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  3. The mean of 11 items overline(X). If first item is increased by 1, sec...

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  4. underset(xto0)(lim)(ln(2+x^(2))-ln(2-x^(2)))/(x^(2)) is equal to

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  5. Number of solutions of the equation e(k-xlnx)=1 for kepsilon(0,(1)/(e)...

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  6. The coefficient of x^(49) in the product (x-1)(x-3)(x+99)i s -99^2 b....

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  7. The argument of the complex number sin 6pi/5 + i ( 1 + cos 6pi/5) is

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  8. In an equilateral triangle, the inradius and the circumradius are c...

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  9. a1,a2, a3, ,an are in A.P. and a1+a3+a5+a7+a9=20 then a5 is 2 2. ...

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  10. Let A ,B ,C are three sets such that n(A)=25 ,n(B)=20 ,n(C)=27 ,n(AnnB...

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  11. All letters of the word 'RACHIT' are permuted in all possible ways ...

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  12. The sum of the series 1+4+3+6+5+8+ upto n term when n is an even numbe...

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  13. The positive integers p ,q and r , then possible value of r is 3 (b) ...

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  14. Angles A ,Ba n d C ofa triangle A B C in A.P. with the usual notations...

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  15. If (x1, y1) be the centroid of the triangle formed by a line L and c...

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  16. The value of sin^(-1){cot(sin^(-1)sqrt((2-sqrt(3))/4)+cos^(-1)(sqrt(1...

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  17. Let I=int(kpi)^((k+1)pi)(|sin2x|)/(|sinx|+|cosx|)dx,(kepsilonN) and J=...

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  18. The greatest integral value of m for which the point of intersection...

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  19. The angle between the asymptotes of (x^(2))/(a^(2))-(y^(2))/(b^(2))=1 ...

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  20. if lim(h->0) [f(a-h)/f(a)]=c where f(x) is a continuous function s...

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