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Worksheetsrevision-1 cbse maths
Total questions: 17
Worksheet time: 25mins
Name
Class
Date
1.
Using Euclid’s division algorithm, find the HCF of 2160 and 2520.
(a)
2.
The next two terms of the sequence 4,7,10,13 are
a)
16 and 19
b)
15 and 19
c)
16 and 18
d)
15 and 18
3.
Find the 22nd term of the following sequence:
5, 8, 11, ...
5, 8, 11, ...
a)
14
b)
68
c)
63
d)
71
4.
Probability is ...
a)
the chance that some event will occur.
b)
a game that involves coins.
c)
a guarantee.
5.
Probability can be written as ...
a)
a fraction
b)
a decimal
c)
a percent
d)
all of the above
6.
What is the probability of spinning the spinner and having it land on RED?
a)
33%
b)
50%
c)
12%
7.
What is the probability of flipping a coin and getting heads?
a)
1/2
b)
1/3
c)
1/4
d)
Never, Tails never fails.
8.
What is the probability of spinning an even number?
a)
16 2/3%
b)
33 1/3%
c)
50%
d)
75%
9.
What is the probability of pulling a red marble out of a jar of marbles that have 10 green marbles, 7 red marbles and 3 blue marbles?
a)
1/7
b)
7/20
c)
7/10
d)
3/10
10.
If you were to roll the die one time what is the probability of it landing on a 2?
a)
2 out of 6
b)
2 out of 2
c)
1 out of 6
d)
1 out of 1
11.
Solve:
3x - y = 11
x + y = 5
a)
x = 4
y = 1
b)
x = 4
y = -1
c)
x = -4
y = 1
d)
x = -4
y = -1
12.
What is the solution?
a)
No solution
b)
(0, 2)
c)
(0, -4)
d)
(3, -3)
13.
Find the simultaneous solution
a)
(6, 8)
b)
(8, 6)
c)
(-6, 8)
d)
No solution
14.
Convert x2 - 9x + 20 to factored form and solve.
a)
(x-10)(x+2); x = -2, 10
b)
(x+4)(x+5); x = -5, -4
c)
(x-4)(x-5); x = 4, 5
d)
Not factorable
15.
ax2+bx+c=0 is the standard form of a quadratic equation.
a)
True
b)
False
16.
The solutions of the quadratic equation
x2+2x-15=0 are
x2+2x-15=0 are
a)
x = 3 or x = 5
b)
x = 5 or x = -3
c)
x = -5 or x = 3
d)
x = -3 or x = -5
17.
x2 - 25
a)
( x + 5 ) ( x - 5 )
b)
( x - 5 ) ( x - 5 )
c)
( x + 5 ) ( x + 5 )
d)
Prime
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