1
NDA Mathematics 3 September 2023
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
If 1! + 3! + 5! + 7! + ... + 199! is divided by 24, what is the remainder?
A
3
B
6
C
7
D
9
2
NDA Mathematics 3 September 2023
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
What is the maximum number of points of intersection of 10 circles?
A
45
B
60
C
90
D
120
3
NDA Mathematics 3 September 2023
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
If H is the Harmonic Mean of three numbers 10C410C5, and 10C6, then what is the value of $\frac{270}{H}$ ?
A
1
B
$\frac{14}{17}$
C
$\frac{17}{14}$
D
$\frac{1}{31}$
4
NDA Mathematics 16 April 2023
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
 What is the number of 6-digit numbers that can be formed only by using 0, 1, 2, 3, 4 and 5 (each once); and divisible by 6 ? 
A
96
B
120
C
192
D
312
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