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The $21^{st}$ term of an AP, whose first two terms are $-3$ and $4$ respectively, is :
- (a)$17$
- (b)$143$
- (c)$137$
- (d)$153$
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(C) $137$
The 21st term of an AP, whose first two terms are -3 and 4 respectively, is :
CBSE Class 10 Maths PYQ · Arithmetic Progressions · Term Formula · 1 Mark · July 2025 · Standard
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