Question

Exam: Unit Test 3
Subject: Mathematics-I
Time-Left: minutes!
Description:
Single Choice Question
1: The breadth of a rectangle with length 12cm and perimeter 36cm is -

A 6cm
B 3cm
C 9cm
D 12cm
2: Find the length of a parallelogram whose area is 246 sq.cm and base is 20 square cm-

A 1.23cm
B 13.2cm
C 12.3cm
D 1.32cm
3: The probability of getting a red ace if a card is drawn at random from pack of 52 cards is-

A 1/52
B 1/26
C 1/13
D 1
4: Find the area of a square park whose perimeter is 96cm-

A 576 square cm
B 626 square cm
C 726 square cm
D 748 square cm
5: The ratio of the radii of two circles is 3:2. What is the ratio of their circumferences?

A 2:3
B 1:3
C 3:2
D 3:1
6: Find the diameter of a circle whose area is 154 square cm-

A 4 cm
B 41 cm
C 2 cm
D 14 cm
7: 50 hectare = -------- m square

A 5000
B 50,000
C 5,00,000
D 50,00,000
8: A square with area 64 square cm, then perimeter of the square is-

A 32 cm
B 48 cm
C 128 cm
D 64 cm
9: Find the cost of flooring a square shaped room of side 8m at the rate of Rs 50 per m square-

A Rs 6100
B Rs 1600
C Rs 1200
D Rs 6200
10: The probability of getting a multiple of 5 if a two digit number is written down ar random is-

A 1/5
B 2/5
C 3/5
D 4/5
11: A circle has area which is 100 times the area of another circle. What is the ratio of their circumferences ?

A 10:1
B 1:10
C 1:1
D 2:1
12: Find the area of an isosceles right triangle of equal sides 40 cm each.

A 400 square cm
B 200 square cm
C 600 square cm
D 800 square cm
13: An ox tied to a pole with 10m long rope. The ox moves keeping the rope tight. Find the area of the ground swept by the rope.

A 31.4 Square m
B 614 square m
C 314 square m
D 416 square m
14: The ratio of area of a circle to the area of semi circle is-

A 1:2
B 2:1
C 4:1
D 1:4
15: A circle is inscribed in a square of side 28cm. Find the area of circle.

A 661 square cm
B 616 square cm
C 166 square cm
D 660 square cm
16: A piece of wire in the form of a rectangle with dimensions 12m by 10m is bent to form a circle. Find the diameter of the circle.

A 41m
B 17m
C 14m
D 7m
17: The probability of getting an even number if a card is drawn from a box containing 12 identical cards numberes 1,2,3,......,12 is-

A 1/2
B 1/5
C 2/5
D None
18: Determine the radius of a circle whose circumference is 110 cm-

A 15.5cm
B 71.5cm
C 51.5cm
D 17.5cm
19: Find the circumference of a circle with diameter 10 cm-

A 31 whole 3/7cm
B 7 whole 31/3cm
C 3 whole7/31cm
D 31/7 cm
20: The radius of a circle is doubled. What is the ratio of the new circle to the area of the given circle.

A 1:4
B 2:1
C 1:2
D 4:1
21: Perimeter of a square is=

A side x side
B 3 x side
C 4 x side
D 2 x side
22: A bag contains 15 balls of which X are red, the probability of getting a red ball at random from the bag is-

A X/14
B X/16
C X/15
D 15/X
23: The area of a square plot is 1600 square m. The side of the plot is-

A 40m
B 80m
C 120m
D 160m
24: The are of a rectangular field is 250 square m. If the breadth of the field is 10m, find its length.

A 25m
B 50m
C 100m
D 125m
25: The perimeter of a square is 48cm. Its area is-

A 144 square cm
B 12 square cm
C 48 square cm
D 100 square cm
26: A rectangular wire of length 40 cm and breadth 20 cm is bent in the shape of a square. The side of the square is-

A 10cm
B 20cm
C 30cm
D 40cm
27: The radius of a circle is 7cm. Its circumference is-

A 22cm
B 44cm
C 11cm
D 66cm
28: Circumference of a circle of diameter 5cm is-

A 3.14cm
B 31.4cm
C 15.7cm
D 1.57cm
29: If the radius of a circle is tripled, the area becomes-

A 9 times
B 3 times
C 6 times
D 30 times
30: A bag contains 3 red and 2 blue marbles. A marble is drawn at random. What is the probability of drawing a blue marble?

A 1/5
B 3/5
C 2/5
D 4/5
31: Length of tape required to cover the edges of a semicircular disc of radius 10 cm is-

A 62.8cm
B 51.4cm
C 31.4cm
D 15.7cm
32: A wire is bent to form a square of side 22cm. If the wire is rebent to form a circle, its radius is-

A 22cm
B 14cm
C 11cm
D 7cm
33: The perimeter of a semi-circle (including its diameter) of radius 7cm. Is ------------

A 22cm
B 29cm
C 36cm
D 44cm
34: A coin is flipped to decide which team starts the game. What is the probability that your team will start?

A 1/2
B 1/3
C 1/4
D 1
35: Area of circular garden with diameter 8 m is-

A 12.56 square m
B 25.12 square m
C 50.28 square m
D 200.96 square m​

Answer 1

Answer:

1)A

2)C

3)B

4)A

5)C

6.A

7.B

8.A

9.B

10.A

11.A

12.D

13.A

14.A

15.B

16.C

17.A

18.D

19.A

20.A

21.C

22.C

23.A

24.A

25.A

26.C

27.B

28.C

29.A

30.C

31.D

32.B

33.C

34.A

35.C

Step-by-step explanation:

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