Question

در ادا 2 = c , a (a + b) : b 5 (b + c) = ? (1) 3:4 (2) 5 :9 (3) 4:5 (4) 20 : 27

11th - 12th Class

Maths

Solution

4.0 (1 ratings)

48. (4) a: b=2:3 b: c=4:5 .. :b:c= 2 x 4:3 x 4:3 x 5 = 8:12:15 a +b 8+12 20 *b+c 12 + 15 27