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In triangle PQR, the side QR is extended...

In `triangle PQR`, the side QR is extended to S such that RS = PR. If `angle QPS = 110^@` and `angle PRQ = 70^@`, then the value of `angle PQR` is:
PQR में, भुजा QR को S तक बढ़ाया जाता है ऐसा कि RS = PR. यदि `angle QPS = 110^@` और `angle PRQ = 70^@`, तो `angle PQR` का मान है:

A

`50^@`

B

`40^@`

C

`35^@`

D

`45^@`

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