(a) 24Given 5:4::30:x ⇒54=30x⇒x=30×45=6×4∴x=24
If 4:5::x:45, then the value of x is(a) 54(b) 60(c) 36(d) 30
Question: 5
If x takes the value 2, then the value of x+10 is
(a) 20
(b) 12
(c) 5
(d) 8