Number of students enrolled in three programmes in five colleges A–E (2020).

College	B.A.	B.C.A.	B.B.A.
A	275	350	425
B	300	325	475
C	325	300	325
D	450	375	425
E	325	425	225

What is the respective ratio of the total number of students studying B.C.A., B.A. and B.B.A. in all the colleges together?

A71:67:75 ✓ Correct

B67:71:75

C71:68:75

D75:71:68

Correct answer: (A) 71:67:75

Explanation

The answer is 71 to 67 to 75.

The B.C.A. total is 1775, the B.A. total is 1675 and the B.B.A. total is 1875.

So the ratio is 1775 to 1675 to 1875.

Dividing each by 25 gives 71 to 67 to 75.

So the ratio simplifies to 71 to 67 to 75.

The order matches B.C.A., B.A. and B.B.A.

So the answer is 71 to 67 to 75.

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