for DS from the 1st statement we find the number given to us is of the form 14n+8 therefore we can find its remainder by 7 clearly 1 2nd statement doesnt help us anywhere remainders will change wid (1+2,2+3) any 2 distinct positive integers for the PS we have to equate the powers of the numbers on b...

for the CR A strengthens B is irrelevant, had it been the reverse, it could have helped C seems good, lets keep it D not helping E weakens but since C talks more about customers, I'l go with C for the SC it should be E A not only but also pair missing B seems incomplete C both the former is illogica...

1st should be 14/20 i.e. 7/10 we simply count the total symbols and then count the required symbols falling in the category 9+5/20 2nd should be 3/20 only 3 symbols overlap in the required category 3rd was a bit confusing I think the trick is here 'if the speed during the entire journey is constant'...