Free Algebra MCQs with Answers
269 Algebra MCQs from Mathematics, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Algebra represents unknown quantities with symbols and uses equations, identities, patterns, and formulas to solve problems. The chapter includes linear and quadratic equations, sequences and series, and the distinction between solving an equation and finding a general rule for a sequence or sum.
Last updated
269 questions · page 10 of 14
- 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/√5- 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"- A. rth
- B. (r+1)th
- C. (r-1)th
- D. (r+2)th
Explanation: Correct Answer " (r+1)th"Solution :(r+1)th termHence Answer is "(B)"
Correct answer: (r+1)th- A. n
- B. n-1
- C. n-2
- D. n+1
Explanation: Correct Answer "(n+1)"Solution:Hence Answer is "(D)"
Correct answer: n+1