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Question-1
What is the value of (704)
2
- (297)
2
(A)
4,07,607
(B)
4009
(C)
47,407
(D)
4,07,407
Question-2
Find the value of 2ab (a + b) - 3ab (a - b) when a = 1, b = 2
(A)
18
(B)
16
(C)
14
(D)
12
Question-3
When 5xy is multiplied by 3x, we get
(A)
15xy
(B)
15xy
2
(C)
15x
2
y
(D)
None of these
Question-4
What is the value of
(A)
0
(B)
500
(C)
900
(D)
1000
Question-5
The product of -2x
2
y
2
and -7x
3
y
3
(A)
-14x
6
y
6
(B)
+14x
6
y
6
(C)
14x
5
y
5
(D)
9x
6
y
6
Question-6
If ab, bc and ac are the length, breadth and height respectively of a cubid then its volume is
(A)
a
2
b
2
c
2
(B)
3abc
(C)
3a
2
b
2
c
2
(D)
ab + bc + ac
Question-7
Find the value of y in 3y + 7 = 10
(A)
8
(B)
1
(C)
6
(D)
5
Question-8
Simplify: 2m
3
- 5m
2
+ 3m - 6 - 5m
3
+ 2m
2
- 8m - 2 + 6m + 10
(A)
-3m
3
- 3m
2
+ m + 2
(B)
3m
3
+ 8m
2
- m - 2
(C)
-3m
3
+ 3m
2
- m + 2
(D)
-3m
3
- 3m
2
+ m - 2
Question-9
How may terms are there is the expression (2/3x - y)
2
?
(A)
1
(B)
2
(C)
3
(D)
4
Question-10
A rectangular box has length, breadth, height is r
2
s, s
2
t, t
2
r respectively. Then its volume is?
(A)
r
3
s
2
t
2
(B)
r
3
s
3
t
3
(C)
r
3
t
3
s
2
(D)
None of these
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Std 8
Tamil Nadu (English Medium)
Practice in Related Chapters
Algebra
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