1. The least number which when divided by 4, 6, 8, 12 and 16 leaves a remainder of 2 in each case is : (1) 46 (2) 48 (3) 50 (4) 56 Ans. 3 2. The least number, which when divided by 12, 15, 20 or 54 leaves a remainder of 4 in each case, is (1) 450 (2) 454 (3) 540 (4) 544 Ans. 4 3. Find the greatest number of five digits which when divided by 3. 5, 8, 12 have 2 as remainder : (1) 99999 (2) 99958 (3) 99960 (4) 99962 Ans. 4 4. The least multiple of 13. which on dividing by 4, 5, 6, 7 and 8 leaves remainder 2 in each case is : (1) 2520 (2) 842 (3) 2522 (4) 840 Ans. 3 5. A, B, C start at the same time and at the same point in the same direction in a circular stadium . A completes a round in 252 seconds, B in 308 seconds and C in 198 seconds. After what time will they meet again at the starting point ? (1) 26 minutes 18 seconds (2) 42 minutes 36 seconds (3) 45 minutes (4) 46 minutes 12 seconds Ans. 4 6. Find the largest number of four digits such that on dividing by 15, 18, 21,...
Preparation for Competitive exams SSC RAILWAY