EduSahara™ Assignment
Name : Value Computation
Chapter : Real Numbers
Grade : SSC Grade IX
License : Non Commercial Use
Question
1
1.
If
√
2
= 1.4142,
√
3
= 1.7321,
√
5
= 2.2361,
√
7
= 2.6458,
the value of
2
√
7
√
8
=
(i)
2.871
(ii)
1.871
(iii)
9.871
(iv)
3.871
(v)
0.871
Question
2
2.
If
√
2
= 1.4142,
√
3
= 1.7321,
√
5
= 2.2361,
√
7
= 2.6458,
the value of
(
−
9
√
3
−
2
√
7
)
(
−
2
√
10
−
7
√
8
)
=
(i)
7.799
(ii)
8.799
(iii)
0.799
(iv)
1.799
(v)
2.799
Question
3
3.
If
√
2
= 1.4142,
√
3
= 1.7321,
√
5
= 2.2361,
√
7
= 2.6458,
the value of
2
√
2
=
(i)
2.828
(ii)
4.828
(iii)
1.828
(iv)
0.828
(v)
3.828
Question
4
4.
If
√
2
= 1.4142,
√
3
= 1.7321,
√
5
= 2.2361,
√
7
= 2.6458,
the value of
(
−
3
√
10
−
7
√
2
)
=
(i)
-19.386
(ii)
-12.386
(iii)
-8.386
(iv)
-11.386
Question
5
5.
If
√
2
= 1.4142,
√
3
= 1.7321,
√
5
= 2.2361,
√
7
= 2.6458,
the value of
(
8
√
10
−
3
√
3
+
5
√
8
)
=
(i)
35.244
(ii)
34.244
(iii)
33.244
(iv)
32.244
(v)
36.244
Question
6
6.
If
√
2
= 1.4142,
√
3
= 1.7321,
√
5
= 2.2361,
√
7
= 2.6458,
the value of
20
√
160
=
(i)
254.982
(ii)
250.982
(iii)
252.982
(iv)
253.982
(v)
251.982
Question
7
7.
If
√
2
= 1.4142,
√
3
= 1.7321,
√
5
= 2.2361,
√
7
= 2.6458,
the value of
(
12
√
512
+
7
√
256
)
=
(i)
382.529
(ii)
384.529
(iii)
381.529
(iv)
385.529
(v)
383.529
Question
8
8.
If
√
2
= 1.4142,
√
3
= 1.7321,
√
5
= 2.2361,
√
7
= 2.6458,
the value of
(
20
√
400
+
18
√
112
+
20
√
224
)
=
(i)
888.827
(ii)
889.827
(iii)
891.827
(iv)
887.827
(v)
890.827
Question
9
9.
If
√
2
= 1.4142,
√
3
= 1.7321,
√
5
= 2.2361,
√
7
= 2.6458,
the value of
9
√
5
6
√
2
=
(i)
3.372
(ii)
0.372
(iii)
1.372
(iv)
4.372
(v)
2.372
Question
10
10.
If
√
2
= 1.4142,
√
3
= 1.7321,
√
5
= 2.2361,
√
7
= 2.6458,
the value of
(
−
3
√
4
−
6
√
8
)
(
8
√
10
+
3
√
6
)
=
(i)
7.296
(ii)
6.296
(iii)
-0.704
(iv)
0.296
(v)
1.296
Question
11
11.
If
√
2
= 1.4142,
√
3
= 1.7321,
√
5
= 2.2361,
√
7
= 2.6458,
the value of
(
−
5
√
6
)
=
(i)
-1.247
(ii)
-12.247
(iii)
-5.247
(iv)
-4.247
Question
12
12.
If
√
2
= 1.4142,
√
3
= 1.7321,
√
5
= 2.2361,
√
7
= 2.6458,
the value of
(
6
√
3
−
√
6
)
=
(i)
9.943
(ii)
7.943
(iii)
6.943
(iv)
8.943
(v)
5.943
Question
13
13.
If
√
2
= 1.4142,
√
3
= 1.7321,
√
5
= 2.2361,
√
7
= 2.6458,
the value of
(
7
√
9
+
5
√
2
−
9
√
7
)
=
(i)
6.259
(ii)
3.259
(iii)
2.259
(iv)
5.259
(v)
4.259
Question
14
14.
If
√
2
= 1.4142,
√
3
= 1.7321,
√
5
= 2.2361,
√
7
= 2.6458,
the value of
18
√
480
=
(i)
393.36
(ii)
392.36
(iii)
394.36
(iv)
395.36
(v)
396.36
Question
15
15.
If
√
2
= 1.4142,
√
3
= 1.7321,
√
5
= 2.2361,
√
7
= 2.6458,
the value of
(
8
√
189
+
14
√
108
)
=
(i)
254.474
(ii)
257.474
(iii)
255.474
(iv)
256.474
(v)
253.474
Question
16
16.
If
√
2
= 1.4142,
√
3
= 1.7321,
√
5
= 2.2361,
√
7
= 2.6458,
the value of
(
9
√
150
+
6
√
540
+
14
√
144
)
=
(i)
417.654
(ii)
415.654
(iii)
419.654
(iv)
418.654
(v)
416.654
Assignment Key
1) (ii)
2) (iii)
3) (i)
4) (i)
5) (ii)
6) (iii)
7) (v)
8) (ii)
9) (v)
10) (iii)
11) (ii)
12) (ii)
13) (v)
14) (iii)
15) (iii)
16) (i)
