JKBOSE Class 8th Mathematics Paper 2018

JKBOSE Class 8th Mathematics Paper 2018 (SZ)
CLASS-VIII
MATHEMATICS – T2
Time Allowed: 2:30 Hrs. Maximum Marks: 40

JKBOSE Class 8th Mathematics Paper 2018

Section – A

Q.1. Objective Type Questions (Do as directed)

(i) The numbers ……. and ……. are their own reciprocals. (Fill in the blanks)

(ii) Solve the equation

(iii) Find the cube roots of 27000.

(iv) Define raw data.

(v) Amount = Compound Interest + ………… (Fill in the blanks)

Section – B

Very Short Answer Type Questions (02 marks each)

Q.2. Subtract: 3xy + 5yz – 7zx from 5xy – 2yz – 2zx + 10 xyz

Q.3. Convert the ratio 3:4 into a percentage.

Q.4. Find the area of a rhombus whose diagonals are of lengths 10 cm and 8.2 cm.

Q.5. Construct the quadrilateral PQRS where PQ = 4 cm, QR = 6 cm, RS = 5 cm, PS = 5.5 cm and PR = 7 cm.

Section – C

Short Answer Type Questions (03 marks each)

Q.6. Simplify: (x + y) (x² – xy + y²)

Q.7. Using identity (a + b) (a – b) = a² – b². Find 983² – 17²

Q.8. Factorise: 16x⁵ -144x³

Q.9. Factorise the expression and divide them as directed (y² + 7y + 10) ÷ (y + 5)

Section – D

Long Answer Type Questions (05 marks each)

Q.10. Construct a quadrilateral MORE, MO = 6 cm, OR = 4.5 cm, ∠M = 60◦, ∠O = 105◦ and ∠R = 105◦.

Or

Construct the rhombus BEND where BN = 5.6 cm and DE = 6.5 cm.

Q.11. Find the height of a cylinder whose radius is 7 cm and the total surface area is 968 cm²

Or

Find the height of the cylinder whose volume is 1.54 m3 and the diameter of the base is 140 cm.

Q.12. Calculate the amount and compound interest on ₹ 10800 for 3 years at %  per annum compound annually.

Or

The price of a TV is Rs 13,000. The sales tax charged on it is at the rate of 12%. Find the amount that Faheem will have to pay if he buys it.