MCQ
What is the common difference of an $AP$ in which $a _{18}- a _{14}=32$ ?
- A$-8$
- B$4$
- C$-4$
- ✓$8$
✓
Answer
Correct option: D.
$8$
$a _{18}- a _{14}=32$
$(18-14) d =32$
$\Rightarrow 4 d=32$
$\Rightarrow d=8$
$(18-14) d =32$
$\Rightarrow 4 d=32$
$\Rightarrow d=8$
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