A.
(n+1)/2
B.
n/2
C.
(n-1)/2
D.
n^2/2
Answer:
Option A: (n+1)/2
2. The common logarithm is the logarithm with base ________.
A.
e
B.
5
C.
10
D.
100
Answer:
Option C: 10
3. Which is the units digit of 143.579?
A.
1
B.
3
C.
5
D.
9
Answer:
Option B: 3
4. Which one of the below compares how many times one number contains another?
A.
Exponent
B.
Probability
C.
Percentage
D.
Ratio
Answer:
Option D: Ratio
5. Which is the formula to calculate the area of a square? [“a” is the length of each side]
A.
2a
B.
a^2
C.
2πa
D.
a / 2
Answer:
Option B: a^2
6. The extreme fear of numbers is called?
A.
Tetraphobia
B.
Triskaidekaphobia
C.
Arithmophobia
D.
Heptadecaphobia
Answer:
Option C: Arithmophobia
7. An angle that measures exactly 180 degrees is called?
A.
Straight angle
B.
Reflex angle
C.
Left angle
D.
Right angle
Answer:
Option A: Straight angle
8. The distance of a point from the y-axis on a graph in the Cartesian coordinate system is called?
A.
Antecedent
B.
Consequent
C.
Abscissa
D.
Ordinate
Answer:
Option C: Abscissa
9. What is the value of cos 360°?
A.
1
B.
0.5
C.
0
D.
-1
Answer:
Option A: 1
10. If the cost price is greater than the selling price, then the difference between the cost price and selling price is called?
A.
Profit
B.
Loss
C.
Pass
D.
Fail
Answer:
Option B: Loss
11. What is 100 in Roman Numerals?
A.
X
B.
L
C.
C
D.
D
Answer:
Option C: C
12. Which is the smallest pair of amicable numbers?
A.
110, 154
B.
220, 284
C.
1184, 1210
D.
2620, 2924
Answer:
Option B: 220, 284