If D = `| [ 2 , 3 ] , [ 5 , -2 ] |` , then find D

If A : B = 1 : 2 , B: C = 3: 4 and C: D = 5 : 6 find D: C : B :A

If A : B = 1 : 2, B : C = 3 : 4 and C : D = 5 : 6, then find the value of D : C : B.

In a A B C , A D is the bisector of /_A , meeting side B C at D . If B D=2. 5 c m , A B=5c m and A C=4. 2 c m , find D C . (ii) If B D=2c m , A B=5c m and D C=3c m , find A C . (iii) If A B=3. 5 c m , A C=4. 2 c m and D C=2. 8 c m , find B D .

If a : b = 2 : 3, b : c = 3 : 4, c : d = 4 : 5, find a : b : c : d.

If P (1,-3), Q ( 2,-5), R ( -4,7) then find d(P,Q) d(P,R)

If A : B = 5 : 2, B : C = 2 : 3 and C: D = 5: 3 , then the ratio A: B : C : D is

If a : b= c : d = e:i = 1:2 , then find (3a + 5c + 7e): (36 + 5d + i7).