EduSahara™ Assignment
Name : Squares and Square Roots
Chapter : Square Roots and Cube Roots
Grade : SSC Grade VIII
License : Non Commercial Use
Question
1
1.
Which of the following is a perfect square?
(i)
441
(ii)
575
(iii)
1524
(iv)
1601
(v)
573
Question
2
2.
Which of the following is not a perfect square?
(i)
2304
(ii)
121
(iii)
397
(iv)
1296
(v)
49
Question
3
3.
Find the number of numbers between
5
2
and
6
2
(i)
13
(ii)
8
(iii)
9
(iv)
10
(v)
11
Question
4
4.
Find the smallest perfect square which is divisible by each of the numbers 9,6,16
(i)
1296
(ii)
865
(iii)
146
(iv)
144
(v)
288
Question
5
5.
How many digits are there in the square root of 361?
(i)
2
(ii)
(-1)
(iii)
1
(iv)
4
(v)
3
Question
6
6.
How many digits are there in the square root of 680625?
(i)
2
(ii)
4
(iii)
5
(iv)
1
(v)
3
Question
7
7.
Find the least number that must be subtracted from 846 to get a perfect square?
(i)
6
(ii)
8
(iii)
5
(iv)
2
(v)
4
Question
8
8.
Find the least number that must be added to 2200 to get a perfect square?
(i)
6
(ii)
10
(iii)
8
(iv)
9
(v)
11
Question
9
9.
Find the smallest 2 digit number which is a perfect square?
(i)
15
(ii)
18
(iii)
17
(iv)
16
(v)
14
Question
10
10.
Find the greatest 2 digit number which is a perfect square?
(i)
79
(ii)
80
(iii)
81
(iv)
82
(v)
84
Question
11
11.
Find the smallest 3 digit number which is a perfect square?
(i)
98
(ii)
100
(iii)
99
(iv)
102
(v)
101
Question
12
12.
Find the greatest 3 digit number which is a perfect square?
(i)
964
(ii)
960
(iii)
962
(iv)
959
(v)
961
Question
13
13.
Find the smallest 4 digit number which is a perfect square?
(i)
1023
(ii)
1022
(iii)
1024
(iv)
1027
(v)
1025
Question
14
14.
Find the greatest 4 digit number which is a perfect square?
(i)
9800
(ii)
9799
(iii)
9801
(iv)
9802
(v)
9804
Question
15
15.
Find the smallest 5 digit number which is a perfect square?
(i)
9999
(ii)
9997
(iii)
10002
(iv)
10000
(v)
10001
Question
16
16.
Find the greatest 5 digit number which is a perfect square?
(i)
99857
(ii)
99856
(iii)
99858
(iv)
99855
(v)
99854
Question
17
17.
Express
19
2
as the sum of two consecutive integers
(i)
182 + 179
(ii)
181 + 182
(iii)
179 + 180
(iv)
180 + 181
(v)
178 + 183
Question
18
18.
The smallest number by which 512 must be multiplied so that the product is a perfect square is?
(i)
2
(ii)
0
(iii)
3
(iv)
1
(v)
5
Question
19
19.
The smallest number by which 3267 must be divided so that the quotient is a perfect square is?
(i)
6
(ii)
0
(iii)
4
(iv)
3
(v)
2
Question
20
20.
What is the unit place digit in the square of 32?
(i)
3
(ii)
7
(iii)
4
(iv)
2
(v)
0
Question
21
21.
If a number has 3 zeros at the end, its square has how many zeros?
(i)
5
(ii)
4
(iii)
6
(iv)
7
(v)
8
Question
22
22.
Find the
square root
of
25
(i)
4
(ii)
3
(iii)
8
(iv)
6
(v)
5
Question
23
23.
Find the
square root
of
1
25
(i)
1
7
(ii)
1
5
(iii)
1
3
(iv)
3
5
(v)
(
-1
5
)
Question
24
24.
If
√
9801
=
99
,
find the value of
√
98010000
(i)
9902
(ii)
990
(iii)
9898
(iv)
9900
(v)
99000
Question
25
25.
If
√
676
=
26
,
find the value of
√
67600
(i)
260
(ii)
258
(iii)
26
(iv)
2600
(v)
262
Question
26
26.
If
√
1296
=
36
,
find the value of
√
12.96
(i)
36
(ii)
0.4
(iii)
3.6
(iv)
5.6
(v)
1.6
Question
27
27.
If
√
529
=
23
,
find the value of
√
0.0529
(i)
0.02
(ii)
2.23
(iii)
2.3
(iv)
8.23
(v)
0.23
Assignment Key
1) (i)
2) (iii)
3) (iv)
4) (iv)
5) (i)
6) (v)
7) (iii)
8) (iv)
9) (iv)
10) (iii)
11) (ii)
12) (v)
13) (iii)
14) (iii)
15) (iv)
16) (ii)
17) (iv)
18) (i)
19) (iv)
20) (iii)
21) (iii)
22) (v)
23) (ii)
24) (iv)
25) (i)
26) (iii)
27) (v)
