If √15625 = 125, then the value of [√15625 +

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If √15625 = 125, then the value of [√15625 + √156.25 + √1.5625] is ?

1. 1.3875
2. 13.875
3. 138.75
4. 156.25

Correct Option: C

Given expression = √15625 + √15625/100 + √15625/10000
= (125 + 125/10 + 125/100)
= (125 + 12.5 + 1.25)
= 138.75