1
NDA Mathematics 13 April 2025
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
The vertices of a triangle are A(1, 1),B(0, 0) and C(2, 0). The angular bisectors of the triangle meet at P. What are the coordinates of P?
A
$(1, \sqrt{2} −1)$
B
$(1, \sqrt{3} −1)$
C
'(1,1/2)
D
$(1/2, \sqrt{2}-1)$
2
NDA Mathematics 1st September 2024
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
In a triangle ABC $\rm \frac{a}{\cos A}=\frac{b}{\cos B}=\frac{c}{\cos C}$ What is the area of the triangle if a = 6 cm?
1
9√3 square cm 
2
12 square cm 
3
18√3 square cm 
4
24 square cm 
3
NDA Mathematics 1st September 2024
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language

In a triangle ABC, ∠A = 75° and ∠B = 45°. What is 2a - b equal to?

1
c
2
√2c
3
2c
4
2√2c
4
NDA Mathematics 1st September 2024
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
In a triangle ABC tan A + tan B + tan C = k  What is the value of cot A cot B cot C? 
1
0.5 k
2
1/k
3
3/k
4
1/k3
EXAM MAP