I. Choose the correct answer (14 x 1 = 14)
1 Find the value of 5 x
(a) 500
(b) 50
(c) 5000
(d) 5
2 Find the product of 3.6 x 100
(a) 36
(b) 360
(c) 0.36
(d) 0.0036
3 The additive inverse of is ------------
(a) -1
(b)
(c) -5
(d) 1
4 Find the mode of the data 4, 3, 5, 11, 4, 7, 5, 4, 3
(a) 4
(b) 3
(c) 5
(d) 7
5 Write the base of
(a) p
(b) 10
(c) 1
(d) 0
6 Find the value of
(a) 2
(b) 6
(c) 3
7 Write the value of 5
(a) 3
(b) 0
(c) 1
(d) 15
8 Find the value of
(a) 100000
(b) 10000
(c) 100
(d) 10
9 Find the range of the following observations 48, 62, 78, 12, 96, 34, 25
(a) 84
(b) 78
(c) 80
(d) 69
10 ------- is the multiplicative inverse of 60
(a) 60,
(b) -60
(c) 1
11 The value of (
(a) -1
(b) 1
(c) 8
(d) -8
12 3.45 × -1000 is-------------
(a) -3450
(b) -345
(c) 0
(d) 3450
13 Number of edges of the cylinder is ----------------
(a) 8
(b) 6
(c) 2
(d) 4
14 Number of faces in a cube is -------------
(a) 12
(b) 8
(c) 6
(d) 10
SECTION – B
II. Solve the problems ( 11 x 2 = 22 )
15 Write four rational numbers equivalent to
16 Find the value of the following
3365 x 164 – 2365 x 164
17 Evaluate of 105
18 Divide the following
(a) 168.96 8
(b) 505 ÷ 100
19 Express 15625 as a power of 5
20 Multiply the following
(a) 4.9 x 0.005
(b) 0.0016 x 625
21 Find the value of
22 Find the mean of the data 3.2, 4.8, 18.9, 7.8, 10.3
23 The median weight of the data set 16, 5, 11, 19, x, 4 is 9 . Find the value of
24 The distance between the sun and the Jupiter is 778,500,000,000 m . Express it in standard form.
25 A rectangular garden has an area of 25.3 and a width of 4.4 m . What is the length of the garden.
SECTION C
III. Solve the problem with proper steps ( 8 X 3 = 24)
26 Arrange the rational numbers in descending order
, , , and
27 The mean of 8numbers is 27. Find the sum of these 10 numbers.
28 Find 10 rational numbers between -2 and -3
29 Simplify and express in the exponential form using laws of exponents.
30 Represent on a number line
31 A rectangular garden has a length m and a width of m . What is the perimeter of the garden ?
32 Find the value of
33 Find value using properties
(19 × 5) + (19 × 21)
SECTION - D
IV. Solve the problems with proper steps ( 5 X 4 = 20 )
34 From a ribbon of length 7 m , Shreya used 4 m of ribbon . How much ribbon is left ?
35 The product of two numbers is 173.502. If one of them is 18.9, then find the other number ?
36 Express each of the following as a product of powers of prime numbers
(a) 1296
(b) 625
37 The scores that two gymnastic and Josh obtained in six events of parallel bars were as follows
Asif : 8.1, 9.6, 9.2 , 7.5, 9.4, 9.0,
Josh : 9.3, 9.5, 8.0, 9.1, 7.8, 8.5
(a) Find the mean score of Asif
(b) Find the mean score of Josh
(c) Whose performance was better.
38 The table shows the favourite pets of 40 children in a class . Draw Bar graph for this data.
PETS DOG CAT RABBIT FISH
NUMBER OF
CHILDREN
14 8 10 8
