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4th Chapter

8th Mathematics Urdu Medium Chapter 4 Test

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8th Class Mathematics Chapter 4 MCQ Test With Answer for Mathematics chapter 4

8th Class Mathematics Chapter 4 MCQ Test With Answer for Mathematics chapter 4

Sr. # Questions Answers Choice
1 (11100)<sub>2</sub>-(1101)<sub>2</sub>
  • A. (10)<sub>2</sub>
  • B. (110)<sub>2</sub>
  • C. (101)<sub>2</sub>
  • D. (1111)<sub>2</sub>
2 Factorization of 3x<sup>3</sup>+6x<sup>2</sup>y-15xyz is:
  • A. 3x<sup>2</sup>(1+2xy-5yz)
  • B. 3x<sup>2</sup>(1+6xy-15yz)
  • C. 3x(x<sup>2</sup>+2xy-5yz)
  • D. 3x(x<sup>2</sup>+6xy-15yz)
3 (11100)<sub>2</sub>-(1101)<sub>2</sub>
  • A. (10)<sub>2</sub>
  • B. (110)<sub>2</sub>
  • C. (101)<sub>2</sub>
  • D. (1111)<sub>2</sub>
4 Number of vertices of an octagon is:
  • A. 5
  • B. 6
  • C. 7
  • D. 8
5 Factorization of h<sup>2</sup> - 5h +2h-10 is:
  • A. (h-2)(h-5)
  • B. (h-2)(h-5)
  • C. (h+2)(h+5)
  • D. (h+2)(h-5)
6 The sum of all the interior angles of a pentagon is:
  • A. 180<sup>o</sup>
  • B. 360<sup>o</sup>
  • C. 540<sup>o</sup>
  • D. 720<sup>o</sup>
7 a<sup>2</sup>+4ab+4b<sup>2</sup>-c<sup>2</sup> =
  • A. (a+2b-c)(a-2b+c)
  • B. (a-2b+c)(a-2b-c)
  • C. (a-2b-c)(a-2b-c)
  • D. (a+2b-c)(a+2b+c)
8 Factorization of 9a<sup>2</sup>-16b<sup>2</sup> is :
  • A. (3a+4b)(3a+4b)
  • B. (3a-4b)(3a-4b)
  • C. (3a-4b)(3a+4b)
  • D. (3a+4b)(3a-4b)
9 The radius of a sphere is 5 cm. Its surface area is:
  • A. 20π cm<sup>2</sup>
  • B. 25π cm<sup>2</sup>
  • C. 100 π cm<sup>2</sup>
  • D. 500 π cm<sup>2</sup>
10 The radius of the base of a cone is 6 cm and slant height is 10 cm. It height is:
  • A. 6 cm
  • B. 8 cm
  • C. 10 cm
  • D. 16 cm

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