All Free Mathematics MCQs with Answers
Every Mathematics question in the bank, across all chapters, each with the correct answer and a written explanation. Free and unlimited, with no account needed.
1,551 questions · page 74 of 78
- A. 56
- B. 55
- C. 45
- D. 15
Explanation: Correct Answer "55"Solution :Hence Answer is "(B)"
Correct answer: 55- A. 16486/x5
- B. 13486/x5
- C. 17010/x5
- D. None of these
Explanation: Correct Answer "17010/x5"Solution :Hence Answer is "(C)"
Correct answer: 17010/x5- A. 18712
- B. c12/210
- C. 210/c12
- D. 210c12
Explanation: Correct Answer "210/c12"Solution :Hence Answer is "(D)"
Correct answer: 210/c12- A. 2
- B. 4
- C. 3
- D. 5
Explanation: Correct Answer "2"Solution :Hence Answer is "(A)"
Correct answer: 2- A. 3
- B. ±3
- C. -3
- D. -2
Explanation: Correct Answer "±3"Solution:Hence Answer is "(B)"
Correct answer: ±3- A. k=2
- B. k=8
- C. k=14
- D. All are correct
Explanation: Correct Answer "All are correct"Solution :Hence Answer is "(D)"
Correct answer: All are correct- A. 2 and 9
- B. 3 and 2
- C. 2/3 and 9
Explanation: Correct Answer "⅔ and 9"Solution :Hence Answer is "(C)"
Correct answer: 2/3 and 9- A. 356
- B. 252
- C. 210
- D. 120
Explanation: Correct Answer "252"Solution :Hence Answer is "(B)"
Correct answer: 252- A. +32
- B. -24
- C. +24
- D. -32
Explanation: Correct Answer "-32"Solution :Hence Answer is "(D)"
Correct answer: -32- A. 24
- B. 29
- C. 48
- D. 96
Explanation: Correct Answer "24" Solution:Hence Answer is "(A)"
Correct answer: 24- A. Alternating series
- B. Divergent
- C. Fimite series
- D. Infinite series
Explanation: Correct Answer "Infinite Series"Solution:By DefinitionHence Answer is "(D)"
Correct answer: Infinite series- A. 1-3/2h
- B. 1+3/2h
- C. 1-2/3h
- D. 1+2/3h
Explanation: Correct Answer "1+3h/2"Solution :Hence Answer is "(B)"
Correct answer: 1+3/2h- A. (-1)^2
- B. 1
- C. (-1)n (n+1)
- D. (n+1)
Explanation: Correct Answer "(-1)n (n+1)" Solution :Hence Answer is "(C)"
Correct answer: (-1)n (n+1)- A. 1/√5
- B. 4/√5
- C. 2/√5
- D. 3/√5
Explanation: Correct Answer "2/√5"Solution:Hence Answer is "(C)"
Correct answer: 2/√51475. 1-2x+3x²-4x +.........=
- A. (1+x)-2
- B. (1+x)-3
- C. (1-x)
- D. (1+x)-1
Explanation: Correct Answer "(1+x)-2"Solution:(1-x2)=1-2x-3x2-x2Hence Answer is "(A)"
Correct answer: (1+x)-2- A. |x|<1
- B. |x|<1/2
- C. |x|<2
- D. |x|<3/8
Explanation: Correct Answer "|x|<3/8"Solution:|10x/5| < 1, |8x/3| < 1Hence Answer is "(D)"
Correct answer: |x|<3/8- A. (r+1) (r+2)/2
- B. (r+1) (r+2)x4
- C. (-1) (r+1) (r+2)x4/2
- D. (-1) (r+1) (r+2)x4
Explanation: Correct Answer "(r+1) (r+2)/2"Solution:T=(r+1) (r+2)/2Hence Answer is "(C)"
Correct answer: (r+1) (r+2)/2- A. 4(2-1)
- B. 2n²+2n+1
- C. (-1)(n+1)
- D. (-1)" (n+1)
Explanation: Correct Answer "4(2n-1)"Solution:Hence Answer is "(A)"
Correct answer: 4(2-1)- A. (-1)-2 (2x)-2
- B. (-1)-4 (-2x)-2
- C. (-1)-4 (2x)-1
- D. Does not exist
Explanation: Correct Answer "Does not exist"Solution:No last term because an infinite sequence has no last termHence Answer is "(D)"
Correct answer: Does not exist- A. (-1) 2"
- B. 2n
- C. (-1)(n+1)xn
- D. (n+1)2"
Explanation: Correct Answer "(n+1)2 "Solution:By verificationHence Answer is "(D)"
Correct answer: (n+1)2"