**JKBOSE Class 8th Mathematics Paper 2021-22 **

**CLASS-VIII **

**MATHEMATICS – T2**

**Time Allowed: 2:30 Hrs. Maximum Marks: 40**

**JKBOSE Class 8th Mathematics Paper 2021-22**

*Note: The students shall be required to attempt 80% of their choice, which is equivalent to 32 marks and the same shall be raised to 100% (40 marks) on a proportionate basis.*

**MULTIPLE CHOICE QUESTIONS**

**(Each question carries one mark)**

**Q.1. The value of x2 – 2x + 1 when x = ****1 is**

(a) 1

(b) 2

(c) -2

(d) 0.

**Q.2. To construct a quadrilateral, we need to know two adjacent ****sides and ****angles.**

(a) One

(b) Two

(c) Three

(d) All four angles

**Q.3. Which of the following is, a binomial?**

(a) 3xy

(b) 41 + 5m

(c) 2x+3y-5

(d) 4a – 7ab + 3b + 12

**Q.4. How many terms are there in the expression 5xy + 9yz + ****3zx + 5x – 4y?**

(a) 1

(b) 3

(c) 4

(d) 5

**Q.5. The coefficient of x2y in -15 x2y is**

(a) 15

(b) -15

(c) 3

(d) 5

**Q.6. The sum of x ^{2 }– y^{2}, y^{2} – z^{2} and z^{2} – x^{2} is**

(a) 0

(b) 3x^{2}

(c) 3y^{2}

(d) 3z^{2}

**Q.7. A polygon that has a minimum number of sides is:**

(a) Triangle

(b) Square

(c) Rectangle

(d) Angle

**Q.8. The area of a rectangle of length a and breadth b is**

(a) a + b

(b) ab

(c) a^{2 }+ b^{2}

(d) 2ab

**Q.9. The total surface area of a cylinder of base radius r and height h is**

(a) 2πr (r+ h)

(b) πr (r+ h)

(c) 2 πrh

(d) 2 πr^{2}

**Q.10. The area of a rhombus is 60 cm2. One diagonal is 10 cm. The other diagonal is**

(a) 6 cm

(b) 12 cm

(c) 3 cm

(d) 24 cm

**Q.11. The area of a rhombus whose diagonals are of lengths 10 cm and 8.2 cm is:**

(a) 41 cm^{2}

(b) 82 cm^{2}

(c) 410 cm^{2}

(d) 820 cm^{2}

**Q.12. A cuboid has………. pairs of identical faces.**

**Q.13. Can we draw a square with a side length equal to 7cm?**

(a) Yes

(b) No

(c) Cannot be determined

(d) None of the above

**Q.14. Which of the following is the common factor of 25a2b and 55ab2?**

(a) 5ab^{2}

(b) 5a^{2}b

(c) 5ab

(d) 5a^{2}b^{2}

**Q.15. The factorization of x2yz + xy2z + xyz2 is**

(a) xyz (x + y + z)

(b) x^{2}yz (x + y + z)

(c) xy^{2} (x + y + z)

(d) xyz^{2 }(x + y + z)

**Q.16. The value of 10 ^{22} – 98^{2 }is……………….**

**Q.17. Which of the following is the factorization of x3 – x? **

(a) x (x^{2} – x)

(b) x(1+x) (1 + x)

(c) x (x − x^{2})

(d) x (x + 1) (x − 1)

**Q.18. The quotient of 12a8b8 ÷ (-4a6b) is**

(a) 3a^{2}b^{2}

(b) 3a^{2}b

(c) 3ab^{2}

(d) -3a^{2}b^{2}

**Q.19. All the sides of a regular polygon are:**

(a) Equal in length

(b) Unequal in length

(c) Parallel to each other

(d) None of these

**Q.20. Out of 60 students in a class, 25% passed. How many students passed?**

(a) 10

(b) 15

(c) 30

(d) 40

**Q.21. On what principle, the simple interest of 5 years at the rate of 6% is Rs 90?**

(a) Rs 250

(b) Rs 300

(c) Rs 400

(d) Rs 450

**Q.22. The discount is always calculated on which of the following?**

(a) SP

(b) CP

(c) marked price

(d) none of these

**Q.23. Mithlesh purchased a T.V. for Rs 10000 and sold it for Rs 8000. Find her loss %.**

(a) 10%

(b) 20%

(c) 40%

(d) 60%.

**Q.24. The simple interest on Rs 4000 for 2 years at 8% per annum is**

(a) Rs 1809

(c) Rs 1200mny

(b) Rs 640

(d) Rs 1600

**Q.25. The ratio of 5 km per hour to 500 m per hour is**

(a) 1:10

(b) 10:1

(c) 1:5

(d) 5:1

**Q.26. The ratio 4: 25 converted to percentage is **

(a) 8%

(b) 4%

(c) 16%

(d) 2%

**Q.27. To construct a square, we need to know:**

(a) All the interior angles

(b) All the side lengths

(c) Only one interior angle

(d) Only one side length

**Q.28. A simple closed curve made up of only ……… is called a polygon.**

(a) curves

(b) line segments

(c) lines

(d) closed curves

**Q.29. Any number raised to the power zero is**

(a) 1

(b) 0

(c) not defined

(d) none

**Q.30. The value of (x) in the following figure is**

(a) 120°

(b) 80°

(c) 100°

(d) 60°

**Q.31. If the three angles of a quadrilateral are 120°, 130°, 10° then what is the fourth angle?**

(a) 30°

(b) 100°

(c) 40°

(d) 90°

**Q.32. There are 50 students in a class of which 40 are boys and the rest are girls. The ratio of the number of boys and the number of girls is**

(a) 2:3

(b) 1:5

(c) 4:1

(d) 2:5

**Q.33. Each square is a rectangle. (True/False)**

**Q.34. A ………. of a quadrilateral is a line segment connecting two non-consecutive vertices.**

**Q.35. The expression x + y + z is in**

(a) One variable

(b) no variable

(c) three variables

(d) two variables

**Q.36. Opposite faces of a cuboid are ……… in area.**

**Q.37. Two cylinders with equal volume will always have equal surface area. (True/False)**

**Q.38. Division is the opposite of………….**

**Q.39. Volume of a rectangular box with length 2x, breadth 3y, and height 4z is……….**

**Q.40. The product of two polynomials is a………….**

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