## Quiz by Swati Thukrul

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18 questions
• Q1
Which of the following is a factor of y2-7y + 12 ?
y + 3
2y + 3
2y – 2
y – 3
45s
• Q2
2. Which of the following is a factor of z2– 4z -- 12 ?
z –6
z + 2
z + 6
z2—12
45s
• Q3
Expansion of (x + 3y)(x - y) gives:
x + 3y - 2xy
-2y + 3x
x2 + 2xy - 3y2
3y - 42x
45s
• Q4
Factorize x2 + 8x + 12.
(x + 2)(x + 6)
3x + 12
(x + 3)(x + 4)
3x – 12
45s
• Q5
Factorize b2+2b-15
5(3b+5)
(b+5)(b-3)
3(b+5)
(b-5)(b+3)
45s
• Q6
The reciprocal of 17/25 is
17/25
2.5/17
25/17
1.7/100
45s
• Q7
The sum of squares of two numbers is expressed as
(a+b)2
2a+2b
a2+b2
2(a+b)
45s
• Q8
The sum square of a number and its reciprocal:
x+1/x
x+x2
x2+1/x
2x+2x2
45s
• Q9
The sum of three times a number and half of that number is:
3a+1/2 a
3a+1/2 a2
a3+1/2 a
3(a+a2)
45s
• Q10
Two more than four times a number
2+4b
4+2b
2+b2
2+b4
45s
• Q11
The sum of squares of two consecutive odd natural numbers is:
x+(x+1)2
2[x+(x+1)]
x2+(x+1)2
x2+(x+1)
45s
• Q12
The sum of squares of two consecutive even natural numbers is:
x2+2(x+1)
2[x+(x+1)]
x2+(x+1)2
x+(x+1)2
45s
• Q13
If 5m = 0 then m = ______
5
1
-5
0
45s
• Q14
Two numbers having product as -40 and sum as -3 are:
-8 and 5
10 and -4
-5 and 8
8 and 5
45s
• Q15
Two numbers having product as 25 and sum as -10 are:
-1 and -10
5 and 5
-10 and 1
-5 and -5
45s

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