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Number of natural numbers between 100 & 1000 such that at least one of their digits is 6, is

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Number of three digit numbers such that atleast one of the digits is 9 , if repetitions allowed is

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Find the sum of all natural numbers between 100 and 1000 which are multiples of 5.

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RESONANCE DPP ENGLISH-JEE MAINS-All Questions
  1. A natural number is selected at random from the set {1<=x <=100}. The...

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  2. The sides of a triangle are sin alpha, cos alpha, sqrt(1+sin alpha cos...

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  3. Number of natural numbers between 100 & 1000 such that at least one of...

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  4. Let R be a relation on the set of integers given by a R b :-a=2^kdotb...

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  5. If |veca|= 2, |vecb|=4 ,(veca,vecb)=(pi)/6 then |vecaXvecb|^(2) = 1) ...

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  6. The greatest value of min (A),where AsubeS and n(A)=r ,1lt=rlt=n ; is

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  7. If the equation of the normal to the curve y=f(x) at x=0 is 3x-y+3=0 t...

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  8. Of the members of three athletic teams in a certain school, 21 are in ...

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  9. the sum of the radii of inscribed and circumscribed circle of an n sid...

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  10. If t a nbeta=(ns inalphacosalpha)/(1-ns in^2alpha) , show that tan(alp...

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  11. Maximum possible area that can be enclosed by a wire of length 20 cm b...

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  12. The A D ,B Ea n dC F are the medians of a c A B C , then (A D^2+B E^2+...

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  13. Let P Q R be a triangle of area with a=2,b=7/2,and c=5/2, where a, b ...

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  14. Find the equation of a straight lines which passes through the point (...

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  15. If f(x)=|(log)e|x|| , then (a)f(x) is continuous and differentiable ...

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  16. Let A B C be a triangle such that /A C B=pi/6 and let a , b and c deno...

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  17. The total number of ways of selecting two numbers from the set {1,,...

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  18. f (x)= {{:(3+|x-k|"," , x le k),(a ^(2) -2 + ( sin (x -k))/((x-k))"," ...

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  19. If chocolates of a particular brand are all identical then the number ...

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  20. The maximum value of function f(x)=x^3-12 x^2+36 x+17 in the interval ...

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