Use Sigma Symbol To Sum The Series.
The correct option is B
Answer: T25 = -6
Answer: 686 (D)
Answer: 0 (A)
Answer: (C)
Answer: (i) x = 24 , (ii) 76 students and (iii) 100 students.
Answer: (A)
Answer: (B)
Answer: (B) and (C)
Answer: 79.4 (D)
Answer: 7/9 is the greatest fraction and 1/3 is the least fraction in the given fractions.
Answer: (C)
Answer: 1/3 Square unit of the outer square is the greeen area.
Answer: The common ratio, r = 3
Answer: 42
Answer: 19.5%
Answer: common difference, d = 3 , first term, T1 = 2 and nth Term , Tn = 3n – 1
Answer: (i) T5 = 16/27 And (ii) S6 = 665/81
Answer: common ratio, r = 2 and the first three terms: 3 , 5 and 7
Answer: The number of terms will be 9.
Answer: 7/2 (b)
Answer: (a) k = 3 and
(b)(i) the difference (16) between consecutive terms is equal, that is a linear sequence(A.P) shown
(ii) Tn = 8(2n -1)
Answer: T3 = -45 (C)
Answer: 40 workers.
Answer:
(a) {X | X ∈ N, -100 ≤ X ≤ 100}
(b) { X | X ∈ multiples of 2, 2 ≤ X ≤ +∞ }
(c) { X : X is odd multiples of ± π/2, -nπ/2 ≤ X ≤ nπ/2}
Answer: Original Price in terms of P = P/ [(0.8) (1.08)]
Answer: Principal ,
P = $ 81, 392,757.66
Answer: The Future Value,
FV = $865.89
Answer: fraction of A and B shaded = 1/2