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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 7 - Mathematics
4.51 Special Products and Expansions Review Test

Q 1: 9x2 + ..... + 16y2 .
24xy
48xy
12xy
20xy

Q 2: (x2+9).(5x+4) = _____?
5x3-4x245x+36
5x3+4x245x+36
5x3+4x245x-36

Q 3: Find the value of (5x-6y)2.
25x2-60xy+36y2
25x2-60xy+16y2
25x2-40xy+36y2

Q 4: Find the value of 22*18 using formula.
496
396
296

Q 5: (6a-7b)(6a+7b) = _____?
6a2-7b2
(6a)2-(7b)2
(12a)2-(6b)2
(a)2+(7b)2

Q 6: Factorise 169x2 - 1.
(13x-1)(13x-1)
(13x+1)(13x-1)
(13x+1)(13x+1)

Q 7: Find the HCF of the 14ab2, 28b2c3 and 56ab2c.
None of these
14ab2c
14b2
14ab2

Q 8: Divide (-27a2b) by 3ab.
-9a
9a
-5a
-9a2

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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