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WorksheetsBasic knowledge of Real numbers
Total questions: 10
Worksheet time: 11mins
Name
Class
Date
1.
(6+√3)(6-√3)
a)
45
b)
33
c)
6
d)
3
2.
The LCM of the smallest prime and smallest odd composite number is
a)
18
b)
11
c)
1
d)
72
3.
The ratio of the LCM and HCF of 5, 15 , 20 Is
a)
9:1
b)
4:3
c)
11:1
d)
12:1
4.
The number π is
a)
Natural number
b)
rational number
c)
whole number
d)
irrational number
5.
Rational number between 2&3 is
a)
5/2
b)
2.5
c)
2.36̅
d)
all the above
6.
The formers have 490kgs , 588kgs and 882kgs of wheat respectively. The maximum capacity of a bag ,so that the weat can be packed in exact no.of bags
a)
98 kgs
b)
270kgs
c)
200kgs
d)
350kgs
7.
Irrational number between √5 and √6 id
a)
√30
b)
√11
c)
2√5
d)
6√ 5
8.
An irrational number between 2.5 and 2.7
a)
2.3527942690532.....
b)
2.367853690542
c)
2.36543̅
d)
2.46367̅
9.
(6+√3)+(6-√3) is
a)
2√3
b)
12
c)
0
d)
18
10.
(6+√3) - (6-√3)
a)
2√3
b)
√3
c)
12
d)
18
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