alleryಸಾಲು ಗಾತ್ರಗಳು ಸಮಾನವಾಗಿ ಏರುತ್ತವೆ; ಸಾಲು 4 19 ಮತ್ತು ಸಾಲು 10 49 ಹೊಂದಿದೆ. ಸಾಲು 15 ಗಾತ್ರ?
A79
B74
C69
D84
Answer & Solution
Correct answer: B. 74
ಪ್ರತಿ ಸಾಲಿನ ಹೆಚ್ಚಳವು (49 − 19) ÷ 6 = 5, ಆದ್ದರಿಂದ ಸಾಲು 15 49 + 5 × 5 = 74.
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