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Revision-Squares and Square Roots-Class 8(2021)
Made by Ms Simmi Khosla
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Roll No.
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Your answer
Name
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Your answer
Class/Sec-
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8 B
8 C
8 D
8 E
Q1. In the given numbers, which one is a perfect square?
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1 point
231
225
217
200
Q2. (201)*2 - (200)*2 is equal to:
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1 point
401
202
400
402
Q3. The value of √400 x 3*2 is:
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1 point
60
80
180
40
Q4. The smallest number by which 343 must be divided to get a perfect square is:
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1 point
3
5
7
9
Q5. The square root of 0.0484 is:
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1 point
2.2
2.02
0.22
0.022
Q6. The square root of 625/1296 is:
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1 point
25/33
15/36
15/33
25/36
Q7. The least number which must be subtracted from 9807 to get a perfect square is:
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1 point
7
5
6
4
Q8. If the number of digits in the square root of a perfect square number is 3, then the number of digits in the given number will be:
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1 point
4
5
6
5 or 6
Q9. The square root of 1/9 + 1/16 is:
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1 point
5/12
25/12
16/25
25/16
Q10. The value of 1+3+5+7+9+11+13+15+17+19 is:
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1 point
99
101
100
102
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