SSC MTS 2025 · PYQ · Surds and Indices · medium
If x = √144 × √81 + √169, then what is the value of 2x?
- A.242✓ Correct
- B.240
- C.248
- D.352
√144 = 12, √81 = 9, √169 = 13. So x = 12 × 9 + 13 = 108 + 13 = 121. Thus 2x = 242.
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