Math, asked by anushamaddipati007, 2 months ago

x5y is a three digit number . It is 410 more than the two digit number 'xy' . If x+y =7 then find x-y is​

Answers

Answered by saiyedsidra0783
0

Answer:

Answer

Correct option is

B

11

Letthetwodigitnumberhasx&yastensandunitdigit

respectively.

Thenthenumberis10x+y.

Soitsreversenumberis10y+x.

Adding,wegetthesum=S=(10x+y)+(10y+x)

⟹S=11x+11y=11(x+y).

∴TomakeSasquarenumbertheleastvalueof(x+y)

shouldbe11sothatS=11×11whichisasquarenumber.

∴(x+y)=11.

Ans−OptionB.

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