Question

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Answer 1

1) B & D

2) A & C & D

3) B & C

Explanation:

1)

a) does not equal to 3/5

b) 1/5 + 1/5 + 1/5 =3/5

c) does not equal to 3/5

d) 2/5 + 1/5 = 3/5

2)

a) 2/10 + 2/10 + 5/10 = 9/10

b) does not equal to 9/10

c) 1/10 + 1/10 + 7/10 = 9/10

d) 8/10 + 1/10 =9/10

3)

a) does not equal to 5/8

b) 2/8 + 1/8 + 2/8 = 5/8

c) 2/8 + 3/8 = 5/8

d) does not equal to 5/8

Answer 2

1) B, D

2) A, C, D

3) B, C

Explanation:

Question 1)

Option A is 1/5+ 1/5+ 1/5+ 1/5+ 1/5 = 5/5 or 1, not 3/5. Hence the answer can't be Option A.

Option B is 1/5+ 1/5+ 1/5 = 3/5. Hence the answer can be is Option B.

Option C is 2/5+ 1/5+ 1/5 = 4/5, not 3/5. Therefore the answer can't be Option C.

Option D is 2/5+ 1/5 = 3/5. Therefore the answer can be Option D.

In Summary, for Question 1, the answer is Option B and Option D.

Question 2)

Option A is 2/10+ 2/10+ 5/10 = 9/10. Therefore the answer can be Option A.

Option B is 5/10+ 5/10+ 1/10 = 11/10 or 1 1/10. Hence, the answer can't be Option B.

Option C is 1/10+ 1/10+ 7/10 = 9/10. Therefore the answer can be Option C.

Option D is 8/10+ 1/10 = 9/10. Hence the answer can be Option D.

In Summary, for Question 2, the answer is Option A, Option C and Option D.

Question 3)

Option A is 2/8+ 2/8+ 2/8 = 6/8. So, the answer can't be Option A.

Option B is 2/8+ 1/8+ 2/8 = 5/8. So, the answer can be Option B.

Option C is 2/8+ 3/8 = 5/8. Hence, the answer can be Option C.

Option D is 2/8+ 2/8+ 2/8+ 2/8 = 8/8 or 1. Therefore, the answer cannot be Option D.

In Summary, for Question 3, the answer is Option B and Option C.