1
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
In a circle of diameter 44 cm, the length of a chord is 22 cm. What is the length of minor arc of the chord?
A
$${{484} \over {21}}$$ cm
B
$${{242} \over {21}}$$ cm
C
$${{121} \over {21}}$$ cm
D
$${{44} \over 7}$$ cm
2
NDA Mathematics 14th September 2025
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
The circle $ x ^ 2 + y ^ 2 - 2kx - 2ky + k ^ 2 = 0$ touches the x-axis at P and y-axis at Q. What is PQ equal to?
1
$ \sqrt{2}k $
2
2k
3
$2\sqrt{2}k $
4
4k
3
NDA Mathematics 13 April 2025
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
What is the equation of the circle whose diameter is 10 cm and the equations of two of its diameters are and ?
A
x2+y2=1
B
x2+y2=25
C
x2+y2=100
D
x2+y22x2y23=0
4
NDA Mathematics 13 April 2025
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
A square is inscribed in a circle x 2 + y 2 + 2x + 2y + 1 = 0 and its sides are parallel to coordinate axes. Which one of the following is a vertex of the square?
A
(-2,2)
B
(-2,-2)
C
$(-1+\frac{1}{\sqrt{2}},-1-\frac{1}{\sqrt{2}})$
D
None of the above