Maths Quiz For Class 9
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Ready to take the amazing Maths quiz for class 9? Mathematics can come across as merely a series of numbers, letters, and problems all put together. The study is highly fulfilling if you put a little thought into its applications and that there’s always a clear-cut solution to every equation. Let’s see what your level of knowledge is like with ninth-grade math! Are you up for the challenge? Let's get started.
- 1.A is 40% of B. What percentage is B of A?
- A.
60%
- B.
140%
- C.
250%
- D.
160%
- 2.X+5=10. Then x equals:
- A.
5
- B.
10
- C.
15
- D.
-5
- 3.X2+4x+3=0; Then x equals:
- A.
2 or 3
- B.
-1 or -3
- C.
1 or 3
- D.
5 or -1
- 4.3, 4,7,11, .......... next two terms are:
- A.
16,23
- B.
18,29
- C.
17,24
- D.
19,27
- 5.Y2+ 4=20. Then y equals:
- A.
4 only
- B.
-4 only
- C.
4 or -4
- D.
16
- 6.The price of an item increases by 20% and then decreases by 20%. So the price has:
- A.
Increased by 4%
- B.
Decreased by 4%
- C.
Increased by 0%
- D.
Increased by 40%
- 7.The ratio of girls: boys in a school is 5:7. If there are 525 girls, how many boys are there?
- A.
375
- B.
625
- C.
735
- D.
325
- 8.David and John share $455 in the ratio of 2:3, respectively. How much money does John get?
- A.
$182
- B.
$273
- C.
$91
- D.
$175
- 9.X-12y = 0. Then y/x equals:
- A.
1/6
- B.
12
- C.
1/12
- D.
None
- 10.Change 3/20 into a decimal:
- A.
0.3
- B.
0.5
- C.
0.15
- D.
1.5
- 11.Write 68/0.00001 as an ordinary number.
- A.
6800000
- B.
680000
- C.
68000
- D.
0.00068
- 12.4*4-2*(-3)+6= ?
- A.
17
- B.
28
- C.
-36
- D.
None
- 13.When you reduce $ 80 by 11%, you will get:
- A.
$8.80
- B.
$71.20
- C.
$69
- D.
None
- 14.Write 0.67543 correct to 2 significant figures.
- A.
0.68
- B.
0.7
- C.
0.67
- D.
0.70
- 15.Simplify 5ab-7ba+4ab=?
- A.
2ab
- B.
-2ab
- C.
16ab
- D.
None
- 16.Solve 4(x+2)=24
- A.
X=11/2
- B.
X=4
- C.
X=-4
- D.
X=16
- 17.The sum of the three consecutive even numbers is 222. Find the numbers.
- A.
73,74,75
- B.
74,74,74
- C.
72,74,76
- D.
None
- 18.The gradient of the line joining (-4,-1) and (4,2) is:
- A.
-3/8
- B.
3/8
- C.
0
- D.
8/3
- 19.The gradient of the line y = 4 -2x is:
- A.
4
- B.
2
- C.
-2
- D.
None
- 20.The gradient of the line x+3y=9 is
- A.
3
- B.
1/3
- C.
-1/3
- D.
None
- 21.If 2x-3y +4x-7y=0, then the value of y/x is:
- A.
3/5
- B.
5/3
- C.
5/11
- D.
-3/5
- 22.If 2x+5y=18 and x=2, what is the value of 4x+5y:
- A.
20
- B.
19
- C.
22
- D.
21
- 23.Factorise x2+x-30:
- A.
(x+5)(x-6)
- B.
(x-5)(x+6)
- C.
(x-6)(x-5)
- D.
None
- 24.Change 36 km/h to meters per second:
- A.
20
- B.
10
- C.
36
- D.
None
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