Question (19/147)
Number of persons decided to raise Rs. 3,00,000 by equal contribution from each. If they has contributed Rs. 50 extra, the total contribution would have been Rs. 3,25,000. How many number of persons were there.(A) 400
(B) 500
(C) 600
(D) 700
Question (20/147)
David gets on the elevator at the 11th floor of a building and rides up at the rate of 57 floors per minute. At the same time Albert gets on an elevator at the 51st floor of the same building and rides down at the rate of 63 floors per minute. If they continue travelling at these rates, then at which floor will their paths cross ?(A) 19
(B) 28
(C) 30
(D) 37