SSC Board Practice

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SSC Grade IX - Real Numbers

Question 1

1.	Convert the fraction 248 9 to non-terminating recurring decimal
	27. 5 2.7 5 275. 5 2755. 5 0.27 5

Question 2

2.	7 √ 5 ✕ ( − √ 9 ) =
	( − 21 √ 5 ) ( − 21 4 √ 5 ) ( − 105 ) ( − 21 √ 7 ) ( − 21 √ 3 )

Question 3

3.	The recurring part of the decimal 27.48148148148148... is
	27.481 4814481 48142 481481 481

Question 4

4.	6.78 =
	678 339 5000 339 500 339 50 339 5

Question 5

5.	Rationalise the denominator of 1 ( − 5 √ 2 − √ 5 − 5 √ 3 )
	( − 1 4 √ 2 − 1 5 √ 5 + 1 6 √ 3 + 1 12 √ 30 ) ( − 1 4 √ 2 − 1 5 √ 5 + 1 6 4 √ 3 + 1 12 √ 30 ) ( − 1 4 √ 2 − 1 5 √ 5 + 1 6 √ 3 + 1 12 √ 32 ) ( − 1 4 √ 1 2 − 1 5 √ 5 + 1 6 √ 3 + 1 12 √ 30 ) ( − 1 4 √ 2 − 1 5 4 √ 5 + 1 6 √ 3 + 1 12 √ 30 )

Question 6

6.	What fraction of the figure is shaded?
	3 8 1 6 1 10 ( -1 8 ) 1 8

Question 7

7.	Find the periodicity of the recurring decimal 24. 4
	1 0 4 2 -1

Question 8

8.	What fraction of the figure is shaded?
	5 32 4 33 1 8 3 32 4 31

Question 9

9.	3.14 =
	157 5 157 5000 157 500 157 50 314

Question 10

10.	Express 1 10 as a decimal correct to 2 decimal places
	0.2 -0.1 0.1 0.3 0

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