alleryपंक्ति का आकार समान रूप से बढ़ता है; पंक्ति 4 में 19 है और पंक्ति 10 में 49 है। पंक्ति 15 आकार?
A79
B74
C69
D84
Answer & Solution
Correct answer: B. 74
प्रति पंक्ति वृद्धि (49 − 19) ÷ 6 = 5 है, इसलिए पंक्ति 15 में 49 + 5 × 5 = 74 है।
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