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Number of natural numbers between 100 & ...

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

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Nmber of natural numbers between 100 and 1000 such that at least one of the digits is 7, is

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  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 sinalpha, cosalpha and sqrt(1+ sin alpha...

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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. 1) 16 2) 2 3) 775 4) 36

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  6. If the normal to differentiable curve y = f(x) at x = 0 be given by th...

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

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

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  9. If t a nbeta=(nsinalphacosalpha)/(1-nsin^2alpha) , show that tan(alph...

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

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  11. 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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  12. Let P Q R be a triangle of area with a=2,b=7/2,a n dc=5/2, w h e r ...

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

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  14. If f(x)=|ln|x||, then (a)f(x) is continuous and differentiable f...

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  15. Let A B C be a triangle such that /A C B=pi/6 and let a , ba n dc deno...

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  16. The total number of ways of selecting two numbers from the set {1,2...

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  17. If f(x)={3+|x-k|,xlt=k a^2-2+(s n(x-k))/(x-k),x > k has minimum at x=k...

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

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

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  20. One angle of an isosceles triangle is 120^0 and the radius of its incr...

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