A ratio equivalent to `2:5` is (a)`6: 15` (b) `4:5` (c) `5:2` (d) `5:4`

A ratio equivalent to 2:5 is 6:15 (b) 4:55:2 (d) 5:4

A fraction equivalent to (45)/(105) is (a) 6/(14) (b) 4/7 (c) 5/7 (d) 7/5

A fraction equivalent to (45)/(105) is 6/(14) (b) 4/7 (c) 5/7 (d) 7/5

Which of the following is a fraction equivalent to 2/3\ ? (a) 4/5 (b) 8/6 (c) (10)/(25) (d) (10)/(15)

If 5/(12) is equivalent to x/3, then x= (a) 5/4 (b) 4/5 (c) 5/3 (d) 3/5

Which of the following is a fraction equivalent to 2/3\ ? 4/5 (b) 8/6 (c) (10)/(25) (d) (10)/(15)

The ratio 384:480 in its simplest form is (a) 3:5 (b) 5:4 (c) 4:5 (d) 2:5

The ratio 384:480 in its simplest form is (a) 3:5 (b) 5:4 (c) 4:5 (d) 2:5

If 5/(12) is equivalent to x/3, then x= 5/4 (b) 4/5 (c) 5/3 (d) 3/5

Let A={2,\ 3,\ 4,\ 5,\ .......\ 17 ,\ 18} . Let ' ' be the equivalence relation on AxxA , cartesian product of A with itself, defined by (a ,\ b)(c ,\ d) iff a d=b c . Then, the number of ordered pairs of the equivalence class of (3, 2) is (a) 4 (b) 5 (c) 6 (d) 7