you are taking the following test:

Grade: 6,    Subject: Math,    Topic: GCF GCD HCF
 Question 1: What is the G.C.F of two consecutive odd numbers? 2 3 9 1
 Question 2: The two bags of sugar weight 75 kg and 90 kg. What is the maximum weight that can measure the weight of the two bags of sugar exact number of time? 15 kg 90 kg 100 kg 75 kg
 Question 3: Find the numbers whose G.C.F. is 18. 144, 198 132, 246 436, 244 260, 128
 Question 4: Jill is getting remainder 2 and 3 while dividing 258 and 323 by a number respectively. What is the largest number she is using as divisor? 16 128 64 32
 Question 5: What is the G.C.F. of 136, 170 and 255? 1 17 15 13
 Question 6: Two water tanks contain 160 liters and 172 liters of water. What is the capacity of the largest container that can be used to completely empty the water in both tanks in exact number of time? 6 liters 2 liters 8 liters 4 liters
 Question 7: What is the largest divisor that can divide 550, 955 and 1255 leaving remainder 10? 15 25 18 32
 Question 8: Sharon has two colors of marbles, red and blue. She has total 36 marbles. Number of red marbles is more than the number of blue marbles. The G.C.F. of two colors of marbles is 6. How many marbles are blue? 12 6 10 4
 Question 9: What is the G.C.F. of 1100, 2100 and 3300? 1000 150 100 110
 Question 10: The length and width of a carpet are 825 cm and 625 cm. The longest tape that can measure the carpet exactly is ________. 20 cm. 25 cm. 35 cm. 50 cm.