Practise Series Completion MCQs in Maths. Attempt multiple-choice questions, check answers and revise related subtopics.
Study Series Completion through multiple-choice questions in Maths. This subtopic contains 539 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
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Answer: 82
Explanation The sequence is formed by adding consecutive terms that are three times larger than the previous gap . 2 + 2 = 4 (gap of 2) 4 + 6 = 10 (gap of 6, which is 3 times 2) 10 + 18 = 28 (gap of 18, which is 3 times 6) 28 + 54 = 82 (gap of 54, which is 3 times 18)
Answer: 25
Explanation The pattern follows a sequence where each number decreases by 3 : 37 - 3 = 34 34 - 3 = 31 31 - 3 = 28 28 - 3 = 25 So, the next number in the pattern is 25 .
Answer: 3069
Explanation Common ratio r = 2. Sum of 10 terms = 3 × (2¹⁰ - 1) = 3069
Answer: 18
Explanation The series increases by 2 each time . After 16 , the next number is 18 .
Answer: DW
Explanation The pattern in the series is: A (1st letter) + Z (26th letter) B (2nd letter) + Y (25th letter) C (3rd letter) + X (24th letter) Continuing the pattern: D (4th letter) + W (23rd letter) The correct answer is: DW
غائب نمبر 3، 6، 8، 16، 19، تلاش کریں؟
Answer: 38
Explanation Every term in the sequence is derived using the following rule 3×2=6, 8×2=16, 19×2= 38 ND11-4-2023
Answer: 3160
Explanation 1,5,9,13, ---- 40th d=5-1=4 d=9-5=4 =1+(40-1)*4 =1+156 =157 U have to use the formula S=n/2 [2a+(n-1)d] S=40/2[2(1)+(40-1)4] S=20[2+(39)4] S=20[156] S=3160 ND-8-08-2023
Answer: U
Explanation The sequence follows the sum of the positions of the letters in the alphabet: A (1) C (3 → 1+2) F (6 → 3+3) J (10 → 6+4) O (15 → 10+5) The next step is 15 + 6 = 21, which corresponds to U in the alphabet.
Answer: OPQ
Explanation EFG, LMN, ___, STU Each group has 3 consecutive letters. EFG → E, F, G (5th, 6th, 7th letters) LMN → L, M, N (12th, 13th, 14th letters) STU → S, T, U (19th, 20th, 21st letters) The missing group must be the letters between N (14th) and S (19th), which are O, P, Q, R. We need a group of three consecutive letters before S, T, U, after L, M, N. So after LMN (12,13,14), the next triple is: O, P, Q (15,16,17)
Answer: 48
Explanation First Term = 5760. Second term = 5760 /2 = 2880. Third Term = 2880/3 = 960. Fourth term = 960/4 = 240. Fifth term = 240/5 = 48. ND-21-5-2023
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