Here, 10% C.P. of horse = 20% C.P. of cart; Hence, C.P. of horse = 2 × C.P. of cart; Let C.P. of cart and horse be Rs. x and Rs. 2x respectively; then,
5
100
×2x−
5
100
×x=10 ⇒
1
20
x=10⇒x=200 Hence, C.P. of a cart = Rs. 200 and C.P. of a horse = 2 × 200 = Rs. 400