Original image here
Source:My My coaching DPP (Daily Practice Paper)
A) $112$
B) $92$
C) $82$
D) $102$
I found $5^2+3^2-4^2=18$ , $7^2+5^2-3^2=65$.$5^2+3^2-4^2=18,\,7^2+5^2-3^2=65.$ So, $?=8^2+6^2-5^2=75$ which is not in option. Anyone please help.
Became Hot Network Question
Fixed formatting and MathJax + kept original image + added balasz's image (I'm assuming the 8 in the right hand triangle should be a 9, based on the discussion in the answers and comments)
HTM
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Source:My coaching DPP
A)$112$
B)$92$
C)$82$
D)$102$
I found $5^2+3^2-4^2=18$ , $7^2+5^2-3^2=65$. So, $?=8^2+6^2-5^2=75$ which is not in option. Anyone please help.
Original image here
Source: My coaching DPP (Daily Practice Paper)
A) $112$
B) $92$
C) $82$
D) $102$
I found $5^2+3^2-4^2=18,\,7^2+5^2-3^2=65.$ So, $?=8^2+6^2-5^2=75$ which is not in option. Anyone please help.
Source:My coaching DPP
A)$112$
B)$92$
C)$82$
D)$102$
I found $5^2+3^2-4^2=18$ , $7^2+5^2-3^2=65$. So, $?=8^2+6^2-5^2=75$ which is not in option. Anyone please help.
Source:My coaching DPP
A)$112$
B)$92$
C)$82$
D)$102$
I found $5^2+3^2-4^2=18$ , $7^2+5^2-3^2=65$. So, $?=8^2+6^2-5^2=75$ which is not in option. Anyone please help.
Source:My coaching DPP
A)$112$
B)$92$
C)$82$
D)$102$
I found $5^2+3^2-4^2=18$ , $7^2+5^2-3^2=65$. So, $?=8^2+6^2-5^2=75$ which is not in option. Anyone please help.
