Algebra
Sets and Relations
MCQ (Single Correct Answer)
Quadratic Equations
MCQ (Single Correct Answer)
Sequences and Series
MCQ (Single Correct Answer)
Permutations and Combinations
MCQ (Single Correct Answer)
Three Dimensional Geometry
MCQ (Single Correct Answer)
Matrices and Determinants
MCQ (Single Correct Answer)
Mathematical Reasoning
MCQ (Single Correct Answer)
Linear Programming
MCQ (Single Correct Answer)
Trigonometry
Trigonometric Ratios & Identities
MCQ (Single Correct Answer)
Trigonometric Equations
MCQ (Single Correct Answer)
Inverse Trigonometric Functions
MCQ (Single Correct Answer)
Properties of Triangles
MCQ (Single Correct Answer)
Coordinate Geometry
Straight Lines and Pair of Straight Lines
MCQ (Single Correct Answer)
Calculus
Limits, Continuity and Differentiability
MCQ (Single Correct Answer)
Application of Derivatives
MCQ (Single Correct Answer)
Indefinite Integration
MCQ (Single Correct Answer)
Definite Integration
MCQ (Single Correct Answer)
Area Under The Curves
MCQ (Single Correct Answer)
Differential Equations
MCQ (Single Correct Answer)
1
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

The value of $$1\,.\,1! + 2\,.\,2! + 3\,.\,3! + \,...\, + \,n\,.\,n!$$ is

A
$$(n + 1)!$$
B
$$(n + 1)! + 1$$
C
$$(n + 1)! - 1$$
D
None of these
2
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

The number of triangles which can be formed by using the vertices of a regular polygon of $$(n+3)$$ sides is 220. Then, $$n$$ is equal to

A
8
B
9
C
10
D
11
3
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

Out of 8 given points, 3 are collinear. How many different straight lines can be drawn by joining any two points from those 8 points?

A
26
B
28
C
27
D
25
4
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

How many numbers greater than 40000 can be formed from the digits 2, 4, 5, 5, 7?

A
12
B
24
C
36
D
48
COMEDK Subjects