Questions and Answers
1. One day, a person went to a horse racing area. Instead of counting the number of humans an horses, he conuted 74 heads and 196 legs. How many humans and horses were there?
A.
37 humans and 98 horses
B.
24 horses and 50 humans
C.
31 horses and 74 humans
D.
24 humans and 50 horses

2. Y=log x If y=10, then what is x?
A.
10
B.
1
C.
100
D.
10^2

3. What is 10*9*8*7*6*5*4*3*2*1?
A.
10! or 3628800
B.
100
C.
1000
D.
10^10

4. If 1/2x+1/2(1/2x+1/2(1/2x+1/2(1/2x+1/2...=ywhat does x equal?
A.
2/4
B.
1/2
C.
1/4
D.
1

5. What's the only place in this world who's fahrenheit and celsius degrees can be equal?
A.
Alaska at -50 degrees
B.
Antarctica at -40 degrees
C.
Hawaii at 100 degrees
D.
Anywhere that exceeds freezing point

6. If x*x+2x-35=0then x=?
A.
-35
B.
2x^3
C.
-5
D.
7

7. What is the square root of 3 to the square root of 2 power times the square root of 3 to the negative square root of 2 power?
A.
100
B.
10
C.
1
D.
10^3

8. What is the square root of 2 to the square root of 2 power to the square root of 2 power?
A.
2
B.
4
C.
8
D.
16

9. What is the square root of 2 to the negative 9 plus 3 power?
A.
1/4
B.
1/8
C.
2/8
D.
1/2

10. Draw 2 supplementary angles. One angle is x-15 degrees and one is 2x degrees. What is the value of x in degrees?
A.
65 degrees
B.
130 degrees
C.
100 degrees
D.
75 degrees

2

Answers

2016-07-04T18:42:56+08:00
2016-07-05T13:47:35+08:00
Human= x ; horses= y;

x+y=74 heads..............a.)
2legs(x) + 4legs (y)=196 legs..................b.)
 @ a.)
x=74-y.............c.)
c.@ b.
2(74-y) +4 y= 196;
148-2y +4y=196

2y=196-148
2y=48
y=24...horses..
x=74-24
x=50..humans
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