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JEE Main 2021
31-08-2021 S1
Question
Let $a_1, a_2, a 3, \ldots$ be an A.P. If $\frac{a_1+a_2+\ldots+a_{10}}{a_1+a_2+\ldots+a_p}=\frac{100}{p^2}, p \neq 10$, then $\frac{a_{11}}{a_{10}}$ is equal to :
Select the correct option:
A
$\frac{19}{21}$
B
$\frac{100}{121}$
C
$\frac{21}{19}$
D
$\frac{121}{100}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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Mathematics
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