1. In which two integers √57 lies?


6 and 7
, , 6 and 7 ,

7 and 8
7 and 8 ,

8 and 9
8 and 9 ,

9 and 10

2. Which of the following has the largest value?

√145
√145 ,

10
10 ,

√121
√121 ,

13

3. Which of the following radical expression is an irrational number?

136−−√
square root of 1 over 36 end root ,

2564−−√
square root of 25 over 64 end root ,

716−−√
square root of 7 over 16 end root ,

925−−√
square root of 9 over 25 end root ,

4. Which of the following does NOT belong to the group?

0.32
0.32 ,

√5
√5 ,

3.25
3.25 ,

0.5

5. Which of the following is NOT TRUE about rational numbers?

5 and 6
5 and 6 ,

√25 is ±5
√25 is ±5 ,

√25 is 5
√25 is 5 ,

√25 is between 4 and 5

6. Which of the following is irrational?

14
, , 1 fourth, ,

√10
√10,


√25
, , √25 ,

0.4

7. In which of the given two integers √15 lies?

4 and 5
4 and 5 ,

5 and 6
5 and 6,

6 and 7
6 and 7,


3 and 4
, , 3 and 4 ,

8. In which of the given two integers √42 lies?

7 and 8
7 and 8 ,

4 and 5
4 and 5 ,

5 and 6
5 and 6 ,

6 and 7

9. Which of the following is NOT TRUE about the given rational numbers?

√196 is ±14
√196 is ±14 ,

√196 is 14
√196 is 14 ,

√196 is between 13 and 14
√196 is between 13 and 14 ,

–√196 is –14