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Assertion (A): PSLV is ISRO's reliable mainstay launch vehicle. Reason (R): PSLV's flexibility allows multi-payload launches to multiple orbits with excellent reliability.

1. Both A and R are true, and R explains A
2. Both A and R are true, but R does not explain A
3. A is true, but R is false
4. A is false, but R is true

Correct answer: Both A and R are true, and R explains A

Solution

PSLV has been one of ISRO's most dependable launch vehicles and is widely used for satellite launches. Its capability to carry multiple payloads and inject them into different orbits makes it a flexible and reliable workhorse, so the reason correctly explains the assertion.

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