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If the six-digit number 879xyz is exactly divisible by 7, 11, and 13, then, what is the value of {(x + y) ÷ z}?1. 3/52. 4/53. 5/34. 3/4 |
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Answer» Correct Answer - Option 3 : 5/3 GIVEN: If the six-digit number 879xyz is exactly divisible by 7, 11 and 13 CONCEPT: We know that, xyzxyz = xyz × 1001 = xyz × 7 × 11 × 13 CALCULATION: Therefore, the six-digit number 879xyz exactly divisible by 7, 11, and 13. ⇒ The number will be 879879. ∴ x = 8, y = 7 and z = 9 According to question – ⇒ {(x + y) ÷ z} = {(8 + 7) ÷ 9} ⇒ 15/9 ⇒ 5/3 |
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