If the actual observed value of standard penetration resistance, N is greater than 15 in a fine sand layer below water table, then the equivalent penetration resistance will be

• A. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/30-778-1.png">
• B. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/30-778-2.png">
• C. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/30-778-3.png">
• D. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/30-778-4.png">