Silly, silly question here from the MGMAT CAT exam.... 5a = 3b = 25 so (5a)(3b) = (25)(25) Next the solution states that , 15b = 625. This seems counterintuitive to PEMDAS strategy. I thought you couldn't separate unknown variables/terms if they are in parenthesis??? Hi Rock...5a=3b=25, u could als...

Jojo, John and Jacob started at 15 m/h & 12 m/h respectively. After 40 min. John travelled 15*2/3 = 10 miles and Jacob travelled 12*2/3 = 12*2/3 = 8 miles When John stopped he was 2 miles ahead of Jacob. Now it took john 1 hr to fix the bike, So in one hr Jacob travelled 12 more miles, which ma...