Page 301 - ICSE Math 8

19. Raj bought a bicycle for ` 2,500 and later sold it for ` 1,575. His loss per cent is _________.
(a) 35% (b) 37% (c) 39% (d) 40%

20. If M.P. = ` 50, Discount % = 2%, then S.P. is _________.
(a) ` 49 (b) ` 98 (c) ` 51 (d) ` 62
21. The difference between compound interest and simple interest on ` 1,600 at the rate of 9.5% per annum
for 1 year is:

(a) 0 (b) ` 100 (c) ` 500 (d) ` 300
22. Find the compound interest on ` 2,000 for two years at 4% per annum.
(a) ` 2063 (b) ` 2163.20 (c) ` 2143.20 (d) ` 2169.20
23. Write the number of terms in the following algebraic expression:
14 5
2
2ab + – 7b +
19a 17
(a) 2 (b) 5 (c) 4 (d) 6
3 5 6
24. Write the coefficient of xyz in x y z .
2 4 3
2 3 4
2 4 5
2 4 5
(a) x y z (b) x y z (c) x y z (d) x y z
25. (x + a)(x + b) = _________
2
2
(a) x – (a + b)x + ab (b) x + (b – a)x – ab
2
2
(c) x + (a – b)x – ab (d) x + (a + b)x + ab
3
26. (a – b) = _________
3
3
3
(a) a + 3ab(a – b) – b (b) a – 3ab(a – b) – b 3
3
3
3
(c) a – 3ab(a – b) + b (d) a + 3ab(a + b) – b 3
2
2
27. The HCF of 4xy z and –8x y is:
2
2
(a) 4x y (b) –4x yz (c) 4xy (d) –4xyz
2
28. The factors of 2x + x – 15 are:
(a) (x + 3)(2x – 5) (b) (x – 3)(2x – 5) (c) (x – 3)(2x + 5) (d) (x + 3)(2x + 5)
29. A number added to its half results in 12. The number is:
(a) 3 (b) 4 (c) 6 (d) 8
30. 2 less than 5 times a number is 2 more than thrice the number. The number is:
(a) 1 (b) 2 (c) 3 (d) 4
31. What name is given to the line segments obtained by joining the non-adjacent vertices of a polygon?
(a) Ray (b) Diagonal (c) Transversal (d) Curve
32. What is the sum of the interior angles of a pentagon?
(a) 720° (b) 360° (c) 540° (d) 900°

33. A quadrilateral cannot be constructed uniquely, if its _________ angles and _________ side are given.
(a) 4, 1 (b) 3, 1 (c) 4, 2 (d) none of these
34. To construct a quadrilateral uniquely, we must know at least _________ sides and one diagonal.
(a) one (b) two (c) three (d) four
35. If in any polyhedron, the line segment joining any two points lie entirely inside the polyhedron, then it
is called a _________ polyhedron.
(a) regular (b) concave (c) convex (d) none of these
36. What is a polyhedron whose side faces are parallelograms and bases are congruent parallel polygons
called?
(a) Pyramid (b) Platonic solid (c) Prism (d) none of these
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