59
In an A.P., the first and last terms are $7$ and $73$ respectively. If the sum of all its terms is $480$, then the number of terms of the A.P. is:
- (a)$6$
- (b)$12$
- (c)$18$
- (d)$30$
Show SolutionHide Solution↓
(B) $12$
In an A.P., the first and last terms are 7 and 73 respectively. If the sum of all its terms is 480 , then the number…
CBSE Class 10 Maths PYQ · Arithmetic Progressions · Term & Sum Mix · 1 Mark · July 2024 · Standard
Solve it yourself first — then press ↓ or tap Show Solution. Use ← → for previous / next question.