A call center recruits candidates with the following criteri

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A call center recruits candidates with the following criteria
1. Candidates should have passed at least 10th standard.
2. Candidates must be fluent in English and Hindi.
3. Candidates must be ready to work in both day and night shifts.
Which candidate among the following will the call center definitely take?

[RRB NTPC 31 March 2016 Shift 2]

A Seeta is a graduate, fluent in Marathi, Hindi and English and can work only in clay shift.

B Sarita is fluent in English, Tamil and Hindi, can work in both shifts and has had no formal education.

C Smita speaks English and Hindi very well, is ready for day as well as night shifts and has studied till 12th standard.

D Savita can work in both shifts, has passed 10th standard with 65% and speaks fluent Hindi and Marathi.