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XAT 2019 — QA & DI Question 27

QA GeneralEasy
Passage / Data

Answer the next 3 questions based on the information given below.

The break-up of the students in a university by subject major is given in the polar pie-chart. The bar chart shows the number of students who major in physics by geographic location.

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Given that a and b are integers and that 5x + 2√7 is a root of the polynomial x2 - ax + b + 2√7 in x, what is the value of b?

Answer & solution

  • 14

  • B

    9

  • C

    7

  • D

    2

  • E

    5

Solution

No solution is being provided as question is incorrect.

Full Marks were awarded to all candidates.

XAT 2019 QA & DI Q27: Given that a and b are integers and that 5x + 2√7 is a root of the polynomial x 2 - ax + b + 2√7 i — Solution | TheCATExam