False.
Consider the two ratios 15m : 40m = 35m : 65m
15/40 = 35/65
15/40 is further simplified by dividing both numerator and denominator by 5 we get,
= 3/7
35/65 is further simplified by dividing both numerator and denominator by 5 we get,
= 7/13
Hence, 3/7 ≠ 7/13
Therefore, 15/40 ≠ 35/65