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If 5xx3 = 19 and 8xx 5 = 49, then what s...

If `5xx3 = 19 and 8xx 5 = 49`, then what should `6xx4` be?

यदि `5xx3 = 19 " और " 8xx5 = 49, " तो " 6xx4` क्या होना चाहिए?

A

24

B

28

C

18

D

16

Text Solution

Verified by Experts

The correct Answer is:
B
`5**3=19`
`rArr (5xx2)+(3xx3)=19`
`[2=5-3]`
`rArr 0+9=19`
`8**5=49`
`rArr (8xx3)+(5xx5)=49`
`[3=8-5)`
`rArr 24+25=49`
Therefore,
`rArr (6xx2)+(4xx4)`
`[2=6-4]`
`rArr 12+16=28`
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