you are taking the following test:

Grade: 6,    Subject: Math,    Topic: LCM
 Question 1: What is the smallest 3-digit number that is divisible by 18, 36 and 45? 160 360 140 180
 Question 2: Albert, Rohan and Robin step off together for their school. Their steps measure 60 cm, 75 cm and 90 cm respectively. What is the minimum distance each should walk so that all can cover that distance in complete steps? 100 cm 900 cm 600 cm 750 cm
 Question 3: The least common multiple of 80, 85 and 90 is _____. 12,240 7,200 6,810 16,420
 Question 4: What is the LCM of 4 and 17? 17 171 71 68
 Question 5: The smallest number, which when divided by 18, 108 and 144 leaves a remainder of 1 in each case _____. 420 433 400 480
 Question 6: Find the least common multiple of 6 and 18. 108 180 18 186
 Question 7: Help Kate in finding the smallest 3-digit number, which is exactly divisible by 8, 12 and 16. 122 144 120 160
 Question 8: 120 is the smallest 3-digit number which exactly divisible by _________. 12, 16 and 32 18, 20 and 30 6, 8 and 12 36, 45 and 60
 Question 9: David is calculating the LCM of 9 and 4. Which number will he get as a result? 72 36 49 Can not be determined
 Question 10: The smallest number, which when divided by 15, 20 and 48, leaves 9 as a remainder in each case, is ____. 240 420 480 249