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Arithematic Progressions

If the common difference of an AP is 5, then what is a₁₈ – a₁₃

(A)  5 (B) 20 (C)  25 (D)  30

Arithematic Progressions

Which term of the AP: 21, 42, 63, 84,…  is 210?

(A)  9^th (B)  10^th (C) 11^th (D)  12^th

Arithematic Progressions

If the 2^nd term of an AP is 13 and the 5^th term is 25, what is its 7th term?

(A)  30 (B) 33 (C)  37 (D)  38

Arithematic Progressions

The 21^st term of the AP whose first two terms are –3 and 4 is

(A)  17 (B)  137 (C)  143 (D)  –143

Arithematic Progressions

The first four terms of an AP, whose first term is –2 and the common difference is –2, are

(A) – 2, 0, 2, 4

(B) – 2, 4, – 8, 16

(C) – 2, – 4, – 6, – 8

(D) – 2, – 4, – 8, –16

Arithematic Progressions

The list of numbers – 10, – 6, – 2, 2,… is

(A) an AP with d = – 16

(B) an AP with d =    4

(C) an AP with d = – 4

(D) not an AP

Arithematic Progressions

In an AP, if a = 3.5, d = 0, n = 101, then a_n will be

(A)  0 (B)  3.5 (C)  103.5 (D)  104.5

Arithematic Progressions

In an AP, if d = –4, n = 7, a_n = 4, then a is

(A)   6 (B)  7 (C)  20 (D)  28

Arithematic Progressions

In an AP if a = –7.2, d = 3.6, an = 7.2, then n is

(A) 1 (B) 3 (C) 4 (D) 5

Arithematic Progressions

The 10^th term of the AP: 5, 8, 11, 14, … is

(A) 32 (B) 35 (C) 38 (D) 185