Final Retest.
Quiz by Sam Atakorah
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- Q1
7x+3y=14
3x-3y=18
x= 1, y= -7
x= -3.2, y= 2.8
x=3.2, y=-2.8
30s - Q2
5x-3y=21
3x-2y=12
x=-6, y=-3
x= -6, y= 3
x=6, y=3
30s - Q3
x+y=9 and y=3x-7.
x=-4, y= -5
x=4, y=5
x=4, y=-5
30s - Q4
Find the volume of the pyramid below.
72 in3
144 in3
216 in3
30s - Q5
The radius of a cylinder is 5 inches and the height of the cylinder is 15 inches. Find the surface area of the cylinder. (Take the value of pi as 3.14)
200 in2
314 in2
628 in2
30s - Q6
What is the height of cone whose radius is 7 inches and curved surface area is 550 in2 . (Use π = 22/7)
24 in
25 in
22 in
30s - Q7
Consider experiment 36 divided by 9. Is it a random experiment?
Yes, We can not predict the outcome.
No, We can predict the outcome.
30s - Q8
Consider tossing a coin three times. What is the number of possible outcomes?
9
3
8
30s - Q9
Consider rolling a pair of different coloured dice simultaneously. What is the number of possible outcomes?
2
6
36
30s - Q10
What is the probability of rolling an even number on fair 6-sided dice?
0.5
0.6
0.3
30s - Q11
A spinner has equal sections labelled A,B,C,D,E. What is the probability of a single spin landing on a vowel?
1/5
3/5
2/5
30s - Q12
A fair coin is flipped 3 times in a row, what is the probability all 3 outcomes will be the same?
1/4
5/6
1/2
30s - Q13
Determine the length of the leg of 45°-45°-90° triangle with a hypotenuse length of 26.
10
13 root 2
64
30s - Q14
Find x
50 root 3
50 root 2
50
30s - Q15
Find x
17
17 root 2/ 2
17 root 2
30s
