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- 1. Multiple Choice
The area of rectangle if its length is 4ba2 and breadth is 3ab
7a3b2
12a3b2
12ab2
7a2b3
- 2. Multiple Choice
The value of (12y + 36) 4
3y +9
3y
3y - 9
3y + z
- 3. Multiple Choice
The identity (y + a) (y +b) is
y2 + ( a - b )y + ab
y2 - ( a + b )y + ab
y2 + ( a + b )y - ab
y2 + ( a + b )y + ab
- 4. Multiple Choice
which are the binomials among these 5z -18xy2 , 2zy , -z + 2ab , 3am 4ab -3xy +6y
5z -18xy2
-z + 2ab , 3am , 5z -18xy2
5z -18xy2 , -z + 2ab
5z -18xy2 , 2zy , 3am
- 5. Multiple Choice
coefficient of z in the expression 5xyz3 -3z is
5x
5xy
3z
-3
- 6. Multiple Choice
solution of expression a (a2 + a +1 ) +5 and its value at a = 1 is
solution is a2 + a + 5 and its solution at 1 is 5
solution is a3 + a + 5 and its solution at 1 is -5
solution is a3 + a2 + 5 and its solution at 1 is 12
solution is a3 + a2 + a+ 5 and its solution at 1 is 8
- 7. Multiple Choice
product of binomials (2p +5) and (4p - 3)
8p2 +14p - 15
8p2 - 14p - 15
8p2 -14p + 15
-8p2 - 14p - 15
- 8. Multiple Choice
Addition of expressions 5m2 +3m -8 , 4m + 7 - 2m2 and 6 - 5m + 4m2
7m + 2m2 + 5
7m - 2m2 + 5
7m2 + 2m + 5
7m2 + 2m - 5
- 9. Multiple Choice
subtract 4a + 5b -3c from 6a - 3b + c
2a - 8b - 4c
2a + 8b + 4c
2a + 8b + 4c
2a - 8b + 4c
- 10. Multiple Choice
(51)2 - (49)2 is
200
150
276
189
- 11. Multiple Choice
product of 51 X 49 find using the identity -------------- and product is --------
( a-b) (a + b) = a2 -b2 , 2499
(x + a) ( x + b ) = x2 + (a + b) x ab , 2499
(a+b)2 = a2 + 2ab + b2 , 2499
(a - b)2 = a2 - 2ab + b2 , 2499
- 12. Multiple Choice
The numerical coefficient of -12pq
12
12p
12q
-12
- 13. Multiple Choice
Simplification of expression 5a + 7a +2b + 8b - a +1 is
11b +10a + 1
11a -10b + 1
11a +10b + 1
11a +10b - 1
- 14. Multiple Choice
What should be add in 2b2 -3b - 8 to get 3b2 + b + 6
b2 - 4b + 14
b2 + 4b + 14
b2 + 4b - 14
b2 - 4b - 14
- 15. Multiple Choice
is
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