Latest M4maths Aptitude Question SOLUTION: If 123=84 456=58 678=34 then 789= a.17 b.18 c.19 d.20 e.21 f.22 g.23 h.24 i.25 j.26

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(#M40072846) M4MATHS Numerical Ability question Keep an EYE

If
123=84
456=58
678=34
then 789=


a.17
b.18
c.19
d.20
e.21
f.22
g.23
h.24
i.25
j.26

Asked In M4maths Jaspalsingh Parmar (9 years ago)

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Jaspalsingh Parmar  (9 years ago)

for
123=1*10 2*9 3*8=10 18 24
taking even digits=084=84

456=4*10 5*9 6*8=40 45 48
taking even digits=058=58

678=6*10 7*9 8*8=60 63 64
taking even digits=034=34

for 789=7*10 8*9 9*9=70 72 81
therefore taking last digits=021=21

ans is option e
i.e 21

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