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The number of 3-digit odd numbers, whose...

The number of 3-digit odd numbers, whose sum of digits is a multiple of 7, is ______

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JEE MAINS PREVIOUS YEAR-JEE MAINS 2022-MATHEMATICS
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  2. Let Cr denote the binomial coefficient of x' in the expansion of (1 +...

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  3. The number of 3-digit odd numbers, whose sum of digits is a multiple o...

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  4. Let theta be the angle between the vectors veca and vecb , where |veca...

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  5. Let the abscissae of the two points P and Q be the roots of 2x^2-rx+p=...

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  6. The number of values of x in the interval (pi/4,(7pi)/4) for which ...

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  7. For a natural number n, let alpha(n) = 19^(n)-12^n . Then, the value o...

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  8. If f(x)={(2(1-x/2))^25(2+x)^25}^(1/50) and g(x)=f(f(f(x)))+f(f(x)) the...

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  9. Let the lines L1: vecr=lamda(hati+2hatj+3hatk), lamdainR L2: vecr=...

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  10. Let A be a 3 xx 3 matrix having entries from the set {-1,0,1}. The nu...

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  11. The greatest integer less than or equal to the sum of first 100 terms ...

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  12. Let x"*"y = x^(2) +y^(3) and (x "*"1)("*")1=x("*")(1("*")1) Then a val...

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  13. The sum of all the real roots of the equation (e^(2x)-4)(6e^(2x)-5e^(x...

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  14. Let the system of linear equation x+ y + alpha z = 2 3x+y+z =4 x...

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  15. Let x, y gt 0 .If x^(3)y^(2)=2^(15) , then the least value of 3x+2y i...

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  16. Let f(x)={:{((sin(x-[x]))/(x-[x]),","x in (-2,-1)),(max{2x,3[|x|]},","...

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  17. The value of the integral int(-pi//2)^(pi//2) (dx)/((1+e^(x))(sin^(6)x...

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  18. lim(n to oo)(n^(2)/((n^(2)+1)(n+1))+(n^(2))/((n^(2)+4)(n+2))+(n^(2))/(...

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  19. A particle is moving in the xy - plane along a curve C passing through...

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  20. Let the maximum area of the triangle that can be inscribed in the elli...

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