98. किसी वर्ग की प्रत्येक भुजा में 30% वृद्धि होने पर इसके क्षेत्रफल में कितने प्रतिशत वृद्धि होगी।
(a) 30%
(b) 45%
(c) 60%
(4) 69%
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