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WorksheetsNumber Theory MC 2
Total questions: 20
Worksheet time: 10mins
(-3)2 + (-2)2 =
-13
-10
13
25
Written in scientific notation, 0. 3 045 x 10-3 is
4.5 x 10-6
4.5 x 10-5
4.5 x 10-4
4.5 x 10-1
What percentage of 30 is 6 ?
5%
18%
20%
150%
11.1 ÷ 0.01 is equal to
110
111
1100
1110
If $560 is shared in the ratio 2 :3:9 , the
difference between the largest and the smallest shares is
$ 80
$240
$280
$360
If 60% of a number is90 , what is the number?
30
54
150
180
What is the value of the digit 2 in the number
48.621?
2/100
2/10
2
200
The number 301 can be written as
3 x 102 + 1
3 x 103 + 1
3 x 102 + 1 x 10
3 x 103 + 1 x 10
If 3n is an odd number, which of the following
is an even number?
3n - 2
3n + 2
3n - 1
3n + 2n
The number 3.14063 written correct to
3decimal places is
3.140
3.141
3.146
3.150
In scientific notation, 170.04 is written as
0.17004 x 103
1.7004 x 102
17.004 x 101
1.7004 x 10-1
What percentage of 340 is 425
80%
85%
125%
152%
Ann and Betty shared a sum of money in the ratio
2:3respectively. Ann received$120 . What was
Betty’s share?
$ 72
$ 80
$180
$300
11.1 ÷ 0.01
110
111
1100
1110
If 60% of a number is 90, what is the number?
30
54
150
180
The exact value of (37.26÷1.8) ÷ 1000 is
0.207
0.0207
20.7000
20700
( 1/2 )3
- 1/8
- 1/6
1/8
1/6
The H.C.F. of 12, 15 and 60 is
1
3
12
60
If 3n is an odd number, which of the following
is an even number?
3n - 1
3n - 2
3n + 2
3n + 2n
Rewrite 123.45 in standard form.
12345 x 10-2
12.345 x 10-1
0.12345 x 10-3
1.2345 x 102
