JEE Mathematics Binomial Theorem MCQs Set E

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MCQ for Full Syllabus Mathematics Binomial Theorem

Full Syllabus Mathematics students should refer to the following multiple-choice questions with answers for Binomial Theorem in Full Syllabus.

Binomial Theorem MCQ Questions Full Syllabus Mathematics with Answers

 

 

Question: If | x | < 1/2, then expansion of (1–2x)1/2 is-

  • a)

  • b)

  • c)

  • d) None of these

Answer:

 

Question: The tenth term in the expansion of (1+ x)–3 is -

  • a) – 55 x9
  • b) – 66 x10
  • c) 55 x9
  • d) 66 x10

Answer: – 55 x9

 

Question: The value of √99 upto three decimals is -

  • a) 9.949
  • b) 9.948
  • c) 9.958
  • d) None of these

Answer: 9.949

 

Question:

  • a)

  • b) 1√5
  • c) 1√2
  • d) √5

Answer:

 

Question: The coefficient of x4 in the expansion of 1+2x+3x2/1-x2 is-

  • a) 22
  • b) 14
  • c) 13
  • d) 20

Answer: 22

 

Question: If the coefficients of rth and (r +1)th terms in the expansion of (3+7x)29 are equal, then r equals-

  • a) 21
  • b) None of these
  • c) 15
  • d) 14

Answer: 21

 

Question: If the fourth term in the expansion of (px + 1/x)n is 5/2 then the value of n and p are respectively-

  • a) 6, 1/2
  • b) 3,1
  • c) 1/2, 6
  • d) 3, 1/2

Answer: 6, 1/2

 

Question: The coefficient of x4 in the expansion of

(1+ x + x2+ x3)n is -

  • a) nC4+ nC2 + nC1.nC2
  • b) nC4+ nC2
  • c) None of these
  • d) nC4

Answer: nC4+ nC2 + nC1.nC2

 

Question: If (2– x – x2 )2n = a0 + a1x+a2x2+ a3x3 + ..., then the value of a0 + a2+ a4 + .... is-

  • a) 2 2n–1
  • b) 2n–1
  • c) 22n
  • d) None of these

Answer: 2 2n–1

 

Question:

  • a) 7
  • b) 5
  • c) 6
  • d) 8

Answer: 7

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question: The term independent of x in the expansion of (1-x/1+x)2 is

  • a) 252
  • b) – 1260
  • c) 1260
  • d) – 252

Answer: – 1260

 

Question: The value of cube root of 1001 upto five decimal places is–

  • a) 10.00333
  • b) None of these
  • c) 10.03333
  • d) 10.00033

Answer: 10.00333

 

Question:

  • a)

  • b)

  • c)

  • d) None of these

Answer:

 

 

Question:

  • a) 10
  • b) 102
  • c) 103
  • d) No such x exists

Answer: 10

 

Question: The greatest integer in the expansion of (1+x)2n+2 is -

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question: The greatest integer which divides 101100 – 1 is -

  • a) 10,000
  • b) 100
  • c) 1000
  • d) 100,000

Answer: 10,000

 

Question:

(1) the number of irrational terms = 19
(2) middle term is irrational
(3) the number of rational term = 2
(4) 8th term is rational

  • a) 1, 2 and 3 are correct
  • b) 2 and 4 are correct
  • c) 1 and 2 are correct
  • d) 1 and 3 are correct

Answer: 1, 2 and 3 are correct

 

Question: The largest coefficient in the expansion of (4 + 3x)25 is

  • a) 1, 2 and 3 are correct
  • b) 2 and 4 are correct
  • c) 1 and 2 are correct
  • d) 1 and 3 are correct

Answer: 1, 2 and 3 are correct

 

Question:

(1) positive if a > 0
(2) positive if c > 0
(3) negative if a < 0 and n is odd
(4) positive if c < 0 and n is odd

  • a) 1, 2 and 3 are correct
  • b) 2 and 4 are correct
  • c) 1 and 2 are correct
  • d) 1 and 3 are correct

Answer: 1, 2 and 3 are correct

 

More Questions..................................

 

Question: If in the expansion of (1+ y)n, the coefficient of 5th, 6th and 7th terms are in A.P., then n is equal to-

  • a) 7, 14
  • b) None of these
  • c) 7, 11
  • d) 8, 16

Answer: 7, 14

 

Question: The sum of the coefficient of the terms of the expansion of polynomial (1+ x– 3x2 )2143 is-

  • a) –1
  • b) 22143
  • c) 1
  • d) 0

Answer: –1

 

Question:

  • a) 10
  • b) 8
  • c) 9
  • d) None of these

Answer: 10

 

Question: If (1+x)n = C0 +C1x+ C2x2+ ...+ Cnxn. then C0+ 2C1+ 3C2 + ....+ (n+1) Cn is equal to-

  • a) 2n–1 (n+2)
  • b) 2n(n+1)
  • c) 2n–1 (n+ 1)
  • d) 2n (n+2)

Answer: 2n–1 (n+2)

 

Question:

  • a) (n+1)n/n!
  • b) nn/(n +1)!
  • c) nn/n!
  • d) None of these

Answer: (n+1)n/n!

 

Question: In the expansion of (4–3x)7, the numerically greatest term at x = 2/3 is -

  • a) T3
  • b) T4
  • c) T5
  • d) T2

Answer: T3

 

Question:

(1) an ≥2  (2) an < 3
(3) an < 4 (4) an < 2

  • a) 1, 2 and 3 are correct
  • b) 2 and 4 are correct
  • c) 1 and 2 are correct
  • d) 1 and 3 are correct

Answer: 1, 2 and 3 are correct

 

Question: If the sum of the cofficients in the expansion of (2 + 3cx + c2 x2 )12 vanishes then c equals

(1) – 2 (2) 2
(3) – 1 (4) 1

  • a) 1 and 3 are correct
  • b) 1 and 2 are correct
  • c) 1, 2 and 3 are correct
  • d) 2 and 4 are correct

Answer: 1 and 3 are correct

 

Question:

  • a) 1 and 2 are correct
  • b) 1 and 3 are correct
  • c) 1, 2 and 3 are correct
  • d) 2 and 4 are correct

Answer: 1 and 2 are correct

 

Question:

Statement 1 : If x = nCn–1 + n+1Cn–1 + n+2Cn–1 + ........ +2nCn–1, then x+1/ 2n+1 is integer.
Statement 2 : nCr + nCr–1 = n+1Cr and nCr is divisible by n if n and r are co-prime.

  • a) Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1.
  • b) Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1.
  • c) Statement-1 is False, Statement-2 is True.
  • d) Statement-1 is True, Statement-2 is False.

Answer: Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1.

 

Question:

 

  • a) Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1.
  • b) Statement-1 is False, Statement-2 is True.
  • c) Statement-1 is True, Statement-2 is False.
  • d) Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1.

Answer: Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1.

 

Question:

  • a) Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1.
  • b) Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1.
  • c) Statement-1 is False, Statement-2 is True.
  • d) Statement-1 is True, Statement-2 is False.

Answer: Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1.

 

Question:

  • a) 17/54
  • b) 1/3
  • c) 19/54
  • d) 1/4

Answer: 17/54

 

Question: If (1+ x) n = C0+ C1x + C2 x2 + ....+ Cnxn, then 3C0 – 5C1 + 7C2 + ...+ (–1)n (2n+ 3) Cn equals-

  • a) 0
  • b) 2 (2n + 3) 2n
  • c) 1
  • d) (2n + 3) 2n–1

Answer: 0

 

Question:

  • a) √2
  • b) √3
  • c) 23/2
  • d) 1√2

Answer: √2

 

Question:

  • a) 1120
  • b) 560
  • c) –560
  • d) –1120

Answer: 1120

 

Question: The term independent from x in the expansion of

  • a) 405
  • b) 3240
  • c) – 3240
  • d) – 405

Answer: 405

 

Question: The middle term in the expansion of (x + 4) 4 is

  • a) 96x2
  • b) None of these
  • c) 96x3
  • d) -96x3

Answer: 96x2

 

Question: The middle terms in the expansion (x+6)7 is-

  • a) 7560 x4, 45360 x3
  • b) None of these
  • c) –7560 x4, –45360 x3
  • d) 7560 x4, – 45360 x3

Answer: 7560 x4, 45360 x3

 

Question: The term which has the greatest coefficient in the expansion of (x2 + 2/x)6 is–

  • a) 4th
  • b) 6th
  • c) 3rd
  • d) 5th

Answer: 4th

 

Question: The term independent of x in the expansion of

  • a) 7th
  • b) 5th
  • c) 6th
  • d) 8th

Answer: 7th

 

Question: The co-efficient of x39 in the expansion of (x4 –1/x3) 15 is–

  • a) – 455
  • b) None of these
  • c) 455
  • d) 105

Answer: – 455

 

Question: The 4th term from the end in the expansion of (2x – 1/x2)10 is–

  • a) –960 x–11
  • b) 960 x–12
  • c) 960 x–11
  • d) –960 x–12

Answer: –960 x–11

 

Question: The term which has the greatest coefficient in the expansion of (x + a)8 is–

  • a) 5th
  • b) 3rd
  • c) 4th
  • d) 6th

Answer: 5th

 

Question: The greatest term in the expansion of (2x + 7)10, when x = 3 is-

  • a) T6
  • b) None of these
  • c) T5
  • d) T7

Answer: T6

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question: The first four terms in the expansion of (3x + 1/x)4 is -

  • a) 81x4+108x2 + 54 + 12x–2
  • b) – 81x4 –108x2 – 54 – 12x–2
  • c) Both
  • d) None of these

Answer: 81x4+108x2 + 54 + 12x–2

 

Question: The tenth term in the expansion of (2x2+ 1/x)12 is –

  • a) 1760/x3
  • b) 1760/x2
  • c) –1760/x3
  • d) None of these

Answer: 1760/x3

 

Question: The number of terms in the expansion of (x + y + 2z)8 is -

  • a) 45
  • b) 48
  • c) 46
  • d) 50

Answer: 45

MCQs for Binomial Theorem Mathematics Full Syllabus

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