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CLASS VIII MATHEMATICS Time: 3 hrs. Full Marks: 150 Choose the correct answer:
1) By selling a table for Rs.330 a trader gains 10%. Find the cost price of the table. (a) Rs.320 (b) Rs.300 (c) Rs.430 (d) Rs.430 2) A dealer buys a wrist watch for Rs.225 and spends RS.15 on its repairs. If he sells the same for RS.300, find his profit percent. (a) 75% (b) 60% (c) 25% (d) 20% 3) Malvika gets 98 marks in her exams. This amounts to 56% of the total marks. What are the maximum marks? (a) 175 (b) 150 (c) 200 (d) 160 4) Akhil has to pay 4% sales tax in addition to the price of a certain article. Find the price of the article, if he pays Rs.260 in all. (a) Rs.220 (b) Rs.250 (c) Rs.256 (d) Rs.200 5) The value of a machine depreciates every year by 10%. What will be its value after 2 years, if its present value is Rs.50,000? (a) Rs.40,500 (b) Rs.40,050 (c) Rs.40,000 (d) Rs.45,000 6) Aby lent Rs.8,000 to his friend for 3 years at the rate of 5% per annum compounded annually. What amount does Aby get afer 3 years? (a) Rs.9,000 (b) Rs.9,200 (c)Rs.9,216 (d) Rs.9,261 7) Find the amount on Rs.4,096 at the rate of 12 ½% per annum for 18 months compounded half-yearly. (a) Rs.5,000 (b) Rs.4,913 (c) Rs.4,931 Rs.5,832 8) The present population of a town is 28,000. If it increases at the rate of 5% per annum, what will be its population after 2 years? (a) 30,000 (b) 30,800 (c) 30,870 (d) 30,870 9) A defective briefcase costing RS.800 is being sold at a loss of 8%. If the price is further reduced by 5%, find its selling price. (a) Rs.689.20 (b) Rs.699.20 (c) Rs.787 (d) Rs.698 10) At a sale, a skirt marked Rs.600, is sold at 45% discount. What amount should the customer pay for it? (a) Rs.555 (b) Rs.330 (c) Rs.300 (d) Rs.320 11) Find the compound interest on Rs.1,000 for 2 years at 4% per annum compounded annually. (a) Rs. 81.60 (b) Rs.80 (c) Rs.1,081.60 (d) Rs.1,080
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12) In what time will Rs.800 amount to Rs.882 at 5% per annum compounded annually? (a) 3 years (b) 2 years (c) 2 ½ years (d) 1 ½ years 13) After allowing a discount of 12% on the marked price of an article, it is sold for Rs.880. Find its marked price. (a) Rs.892 (b) Rs. 900 (c) Rs.1,000 (d) Rs.990 14) If a man were to sell a watch for Rs.720, he would lose 25%. What must he sell it for, to gain 25%? (a) Rs.1,200 (b) Rs.960 (c) Rs.1,000 (d) Rs. 900 15) If the cost price of 18 mangoes is the same as the selling price of 16 mangoes, find the gain percent. (a) 15% (b) 12.5% (c0 15.5% (d) 12% 16.
Minimum points required to have a line is a)
1 b) 2 c ) 3 d) 4 17.
Is every chord of a circle also a diameter a)
Yes b) no 18.
Number of line segments passes through a point a)2 b)1 c) infinitely many 19. Diameter of a circle is ---- its radius . a)
Twice b) Thrice c) Same d) None of these 20. The largest chord in a circle a)
Radius b) Diameter c) segment 21. The distance around a circle a)
Chord b) segment c) circumference 22. How many divisions does an angle lead to a)
2 b) 1 c)3 23. Two distinct lines meeting at a point are called a)
Intersecting lines b) parallel lines c) none of these 24. Two sides with a common end point are called a)
Opposite sides b) adjacent sides c) parallel sides 25. The interior of a curve together with its boundary is called a)
Interior b) region c) closed curve
26.
What is the value of „m‟, if
2
5
m
=
7
5
2
? a) 5 b) -2 c) -7 d) 2
27.
2 x (-2)
–
4
= _________ a) ½ b) 2 c) -2 d) 2
7
28.
88
5335
= ______ a) 0 b) 1 c)
16
35
d)
16
53
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29. If
2561
= 2
a
,
then „a‟ =______
a) -8 b) 8 c) 16 d) 2 30.
If
1913
5454
=
x
45
, then the value of „
x
‟ is
a) 13 b) 19 c) 6 d) - 6 31. Standard form of 0 . 00003125 is a) 3.125 x 10
-6
b) 3.125 x 10
-5
c) 3.1 x 10
-5
d) 3 x 10
-5
32.
432
x z z y y x
= _______ a)
yz x
2
b)
2
x yz
c)
2
z xy
d)
2
y xz
33.
0260
2323
= __________ a) 1 b) 0 c)
4
23
d)
4
74
34.
500
53
= _____ a)16 b) -1 c) 1 d) 0 35.
0000
3232
= ___________ a) 5 b) -1 c) 1 d) 0 36.
000
523
= _________ a) 30 b) 1 c) none of these 37.
________ 725232
000
a) 1 b) 2 c)
32
d)
354
38. If
02
5623
q p
, what is the value of
?
2
q p
a)
8116
b)
49
c)
2536
d)
1681
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39. Find the value of „ x‟ such that
253
373737
x
a) -8 b) 8 c) -6 d) 6 40.
_______ 413121
111
a) 81 b) 9 c)
91
d)
811
41.
Lateral surface area of a cylinder a)
πr²h b) 2πrh c) 2πr[r+h]
42.
Total surface area of a cylinder a)
2πrh b) 2πr²h c) 2πr[r+h]
43.
When the radius is doubled surface area of a cylinder increases by ___ times . a)
2 b) 4 c) 6 d) 8 44.
When the height is doubled the lateral surface area of a cylinder increases by ---- times . a)
2 b) 4 c) 6 d) 8 45.
There are 2 cuboid boxes having measurements 60x40x50 and 50x50x50 .Which box requires the lesser amount of material to make . a)
60 x 40 x 50 b) 50x50x50 c) both same . 46.
Surface area of a cube having side 6cm a)
6 b) 6² c) 6³ d) none of these 47.
Total surface area of a cuboid includes the area of a)
4 faces b) 2 faces c) 6 faces d) 3 faces 48.
Ratio between the lateral area and base area of a cuboid a)
1:2 b) 2: 1 c) 4:1 d) 1:4 49. Lateral surface area of a cuboid a)
Base area x height b) Base perimeter x height c) volume/2 50. Two cubes each with side b are joined to form a cuboid . What is the surface area of this Cuboid a)
12b² b)10b² c) 18b² d) none of these . 51. Base perimeter of a room is 34m and the height of the room is 10m . Find the area of the four side walls . a)
34x10 m² b) 2x34x10 m² c)34x10x10 m² d)none of these.
52. The curved surface area of a cylinder is 100πm².
Length of the cylinder is 10 m . Find its Radius . a)
10m b) 5m c) 20m d) none of these 53. A parallelogram with sides of equal length. a)rectangle b)rhombus c)kite d)triangle. 54. The adjacent angles in a parallelogram are a)equal b)90degree c)supplementary d)complementry 55. Name the polygon having 10 sides. a)Decagon b)heptagon c)octagon d)nonagon
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