A.
n/2
B.
(n+1)/2
C.
n(n+1)/2
D.
2n(n+1)
Answer:
Option C: n(n+1)/2
2. Who discovered the mathematical constant e?
A.
Isaac Newton
B.
Jacob Bernoulli
C.
Srinivasa Ramanujan
D.
Euclid
Answer:
Option B: Jacob Bernoulli
3. 7x + 5y – 25 is an example of which type of algebraic expression?
A.
Monomial
B.
Binomial
C.
Trinomial
D.
None of the options
Answer:
Option C: Trinomial
4. In which type of sequence, each term is found by multiplying the previous term by a constant?
A.
Arithmetic progression
B.
Geometric progression
C.
Harmonic Progression
D.
Farey sequence
Answer:
Option B: Geometric progression
5. What is 5 in Roman Numerals?
A.
X
B.
L
C.
C
D.
V
Answer:
Option D: V
6. What is the full form of HCF?
A.
Highest Cumulative Factor
B.
Highest Cumulative Fraction
C.
Highest Common Factor
D.
Highest Common Fraction
Answer:
Option C: Highest Common Factor
7. Which of the following numbers is both a perfect square and perfect cube?
A.
27
B.
64
C.
125
D.
216
Answer:
Option B: 64
8. What is the face value of 4 in the number 749?
A.
4
B.
40
C.
49
D.
2
Answer:
Option A: 4
9. A triangle that has two sides of equal length and has two angles of the same measure is called?
A.
Obtuse triangle
B.
Equilateral triangle
C.
Isosceles triangle
D.
Scalene triangle
Answer:
Option C: Isosceles triangle
10. Which is the only even prime number?
A.
2
B.
4
C.
6
D.
8
Answer:
Option A: 2
11. The numbers that tell us the position or rank of something is called?
A.
Decimal numbers
B.
Ordinal numbers
C.
Real numbers
D.
Cardinal numbers
Answer:
Option B: Ordinal numbers
12. Which one of the below is an ordinal number?
A.
One
B.
Two
C.
Three
D.
Fourth
Answer:
Option D: Fourth