Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Binomial Theorem question

2021 · 25 Feb · Shift 2 · Q42
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Mathematics
  4. /Binomial Theorem
  5. /2021 · 25 Feb · Shift 2 · Q42

Binomial Theorem question

2021 · 25 Feb · Shift 2 · Q42

JEE MainMathematicsBinomial TheoremNumerical+4 / −1
The total number of two digit numbers 'n', such that 3n + 7n is a multiple of 10, is ‾\underline{\hspace{2cm}}​.
Numerical answer
PreviousNext

More from Binomial Theorem

  • If b is very small as compared to the value of a, so that the cube and other higher powers of ab​ can be neglected in the identity a−b1​+a−2b1​+a−3b1​+.....+a−nb1​=αn+βn2+γn3…2021 · MCQ
  • The ratio of the coefficient of the middle term in the expansion of (1 + x)20 and the sum of the coefficients of two middle terms in expansion of (1 + x)19 is ​.2021 · Numerical
  • The term independent of 'x' in the expansion of (x2/3−x1/3+1x+1​−x−x1/2x−1​)10, where x e 0, 1 is equal to ​.2021 · Numerical
  • The sum of all those terms which are rational numbers in the expansion of (21/3 + 31/4)12 is :2021 · MCQ
  • If the greatest value of the term independent of 'x' in the expansion of (xsinα+axcosα​)10 is (5!)210!​, then the value of 'a' is equal to :2021 · MCQ
  • The lowest integer which is greater than (1+101001​)10100 is ​.2021 · MCQ
  • If the co-efficient of x7 and x8 in the expansion of (2+3x​)n are equal, then the value of n is equal to ​.2021 · Numerical
  • The maximum value of the term independent of 't' in the expansion of (tx51​+t(1−x)101​​)10 where x ∈(0, 1) is :2021 · MCQ