BPSC – Combined Competitive Examination · প্রশ্ন 37
What is the 14th term of the sequence 14, 10, 6, 2, ...?
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) −38
ব্যাখ্যা
AP with a = 14, d = −4: a₁₄ = 14 + 13 × (−4) = −38.
- (A) ভুল
Wrong: that would be the 15th term.
- (B) ভুল
Wrong: that is the 13th term.
- (C) ভুল
Wrong: that is the 16th term.
- (D) সঠিক
Correct: a₁₄ = 14 + 13(−4) = −38.