Q 1 : George wished to buy some crackers. If he gave 2 crackers or 3 crackers or 4 crackers or 5 crackers to each of his friends, he is left with no crackers. What is the least number of crackers he must purchase? 110 60 140
Q 2 : Three clocks ring once at the same time. After that, the first clock rings after every 90 minutes, the second after every 30 minutes, and third after every 60 minutes. After how many minutes will they again ring together? 60 180 80
Q 3 : Some dolls are $30 each, some are $120 and some are $40 each. Find the least sum of money with which we can buy an exact number of dolls of each kind? 180 120 1200
Q 4 : Some toys are 15 dollars each, some are 45 dollars each, and some are 60 dollars each. Find the least sum of money with which we can buy an exact number of toys of each kind? 120 180 160