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JEE Main 2019
9-01-2019 S1
Question
Let $a_1, a_2 \ldots . a_{30}$ be an A.P., $S=\sum_{i=1}^{30}$ ai and $T=\sum_{i=1}^{15} a_{(2 i-1)}$. If $a_5=27$ and $S-2 T=75$, then $a_{10}$ is equal to
Select the correct option:
A
47
B
57
C
52
D
42
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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JEE Main
Mathematics
Easy
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