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Standard VII
Mathematics
Integers
Question
Find :
(
i
)
(
−
7
)
−
8
−
(
−
25
)
(
i
)
(
−
11
)
+
15
−
(
10
)
Open in App
Solution
Verified by Toppr
(
i
)
(
−
7
)
−
8
−
(
−
25
)
=
(
−
7
)
−
8
+
25
=
(
−
7
)
+
17
=
−
7
+
17
=
10
(
i
)
(
−
11
)
+
15
−
(
10
)
=
(
−
11
)
+
15
−
10
=
(
−
11
)
+
5
=
−
11
+
5
=
−
6
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Similar Questions
Q1
Find :
(
i
)
(
−
7
)
−
8
−
(
−
25
)
(
i
)
(
−
11
)
+
15
−
(
10
)
View Solution
Q2
If the mean of the following data is
18.75
. Find the value of
p
.
x
i
:
10
15
p
25
30
f
i
:
5
10
7
8
2
View Solution
Q3
View Solution
Q4
Find the square root of the following complex numbers:
(i) −5 + 12i
(ii) −7 − 24i
(iii) 1 − i
(iv) −8 − 6i
(v) 8 −15i
(vi)
-
11
-
60
-
1
(vii)
1
+
4
-
3
(viii) 4i
(ix) −i
View Solution
Q5
Simplify:
(i)(−8) × 9 + (−8) × 7
(ii) 9 × (−13) + 9 × (−7)
(iii) 20 × (−16) + 20 × 14
(iv) (−16) × (−15) + (−16) × (−5)
(v) (−11) × (−15) + (−11) × (−25)
(vi) 10 × (−12) + 5 × (−12)
(vii) (−16) × (−8) + (−4) × (−8)
(viii) (−26) × 72 + (−26) × 28
View Solution