allery20 માંથી ક્રમશઃ 1, 2, 3, 4 બાદ કરતાં 20, 19, 17, 14, 10 મળે છે. હવે પછી શું આવશે?
A3
B4
C6
D5
Answer & Solution
Correct answer: D. 5
બાદ કરવામાં આવેલી સંખ્યાઓ 1, 2, 3, 4 છે, તેથી હવે પછીની સંખ્યા 5 છે અને 10 - 5 = 5.
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