Math, asked by amanrajput53, 1 year ago


18. तीन संख्याओं का औसत 7 है तथा पहली दो संख्याओं का औसत 4 है. तीसरी संख्या क्या है?
(a) 15
(b) 13
(c) 7
(a) 4

please answer ​

Answers

Answered by Sunendrachampion9721
1

b correct answer hai


chandankumari1111g: 3x7=21, 2x4=8 then, 21-8=13 (b)
Answered by Ritikalakrabairagi
0
Right answer is option B
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