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Question

John is 314 inches taller than William and William is 212 inches shorter than Adam. If Adam is 7038 inches tall, find the heights of John and William.

A
John : 7018 in ; William : 6778 in
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B
John : 7018 in ; William : 6758 in
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C
John : 7118 in ; William : 6758 in
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D
John : 7118 in ; William : 6778 in
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Solution

The correct option is D John : 7118 in ; William : 6778 in
Adam's height=7038 inches

William is 212 inches shorter than Adam.

William's height =(7038212) inches

=(8×70)+38(2×2)+12 inches

=(563852) inches

=(56385×42×4) inches

=5638208 inches

=(56320)8 inches

=5438 inches

=6778 inches

John is 314 inches taller than William.

John's height

=(6778+314) inches

=(67+3)+(78+14) inches

=70+(78+1×24×2) inches

=70+(78+28) inches

=70+(7+2)8 inches

=70+98 inches

=70+118 inches

=7118 inches

John is 7118 inches tall and William is 6778 inches tall.

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