Question

find the value of x, so that the given number is in proportion:
( i ) x, 4, 15 and 30 x
( ii ) 4, 10, 36 and x​

Answer 1

Answer:

2— (i) x : 6 : 10 : 15. ⇒ x × 15 = 6 × 10 ⇒ x = (6 ×10)/15 = 4. (ii) x : 4 : 15 : 30. ⇒ x × 30 = 4 × 15 ⇒ x = (4 ...