दोन क्रमांक जोडून 20 जातात आनी 4 प्रमाण वेगळे आसतात. तातूंतलो व्हडलो आंकडो आसा
A12
B11
C14
D10
Answer & Solution
Correct answer: A. 12
x + y = 20 आनी x - y = 4 जोडल्यार 2x = 24 मेळटा, देखून व्हडलो आंकडो 12 आसा.
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