For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..
For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.
Leave your answers in the simplest form or correct to two decimal places.
1)
Sriram was fixing a jigsaw puzzle. On the first day, the ratio of the number of pieces he fixed to the number of pieces unfixed was 2:4. On the second day, he fixed another 52 pieces of the puzzle. As a result, the ratio of the number of pieces he fixed to the number of pieces unfixed became 3:5. How many pieces did the puzzle consist of
Answer:_______________
2)
Tulasi was fixing a jigsaw puzzle. On the first day, the ratio of the number of pieces she fixed to the number of pieces unfixed was 1:2. On the second day, she fixed another 36 pieces of the puzzle. As a result, the ratio of the number of pieces she fixed to the number of pieces unfixed became 4:5. How many pieces did the puzzle consist of
Answer:_______________
3)
Amutha was fixing a jigsaw puzzle. On the first day, the ratio of the number of pieces she fixed to the number of pieces unfixed was 2:3. On the second day, she fixed another 36 pieces of the puzzle. As a result, the ratio of the number of pieces she fixed to the number of pieces unfixed became 4:5. How many pieces did the puzzle consist of
Answer:_______________
4)
Pugal was fixing a jigsaw puzzle. On the first day, the ratio of the number of pieces he fixed to the number of pieces unfixed was 1:4. On the second day, he fixed another 54 pieces of the puzzle. As a result, the ratio of the number of pieces he fixed to the number of pieces unfixed became 2:5. How many pieces did the puzzle consist of
Answer:_______________
5)
Selvanayaki was fixing a jigsaw puzzle. On the first day, the ratio of the number of pieces she fixed to the number of pieces unfixed was 1:4. On the second day, she fixed another 42 pieces of the puzzle. As a result, the ratio of the number of pieces she fixed to the number of pieces unfixed became 3:5. How many pieces did the puzzle consist of
Answer:_______________
6)
Aravindh was fixing a jigsaw puzzle. On the first day, the ratio of the number of pieces he fixed to the number of pieces unfixed was 2:4. On the second day, he fixed another 44 pieces of the puzzle. As a result, the ratio of the number of pieces he fixed to the number of pieces unfixed became 3:5. How many pieces did the puzzle consist of
Answer:_______________
7)
Ovini was fixing a jigsaw puzzle. On the first day, the ratio of the number of pieces she fixed to the number of pieces unfixed was 1:2. On the second day, she fixed another 54 pieces of the puzzle. As a result, the ratio of the number of pieces she fixed to the number of pieces unfixed became 4:5. How many pieces did the puzzle consist of
Answer:_______________
8)
Indra was fixing a jigsaw puzzle. On the first day, the ratio of the number of pieces she fixed to the number of pieces unfixed was 2:3. On the second day, she fixed another 24 pieces of the puzzle. As a result, the ratio of the number of pieces she fixed to the number of pieces unfixed became 4:5. How many pieces did the puzzle consist of
Answer:_______________
9)
Raj was fixing a jigsaw puzzle. On the first day, the ratio of the number of pieces he fixed to the number of pieces unfixed was 1:4. On the second day, he fixed another 90 pieces of the puzzle. As a result, the ratio of the number of pieces he fixed to the number of pieces unfixed became 2:5. How many pieces did the puzzle consist of
Answer:_______________
10)
Tulasi was fixing a jigsaw puzzle. On the first day, the ratio of the number of pieces she fixed to the number of pieces unfixed was 1:4. On the second day, she fixed another 63 pieces of the puzzle. As a result, the ratio of the number of pieces she fixed to the number of pieces unfixed became 3:5. How many pieces did the puzzle consist of
Answer:_______________
1)
Sriram was fixing a jigsaw puzzle. On the first day, the ratio of the number of pieces he fixed to the number of pieces unfixed was 2:4. On the second day, he fixed another 52 pieces of the puzzle. As a result, the ratio of the number of pieces he fixed to the number of pieces unfixed became 3:5. How many pieces did the puzzle consist of
Answer: 1248
SOLUTION 1 :
Before
Fixed
:
Unfixed
2
:
4
16
:
32
After
Fixed
:
Unfixed
3
:
5
18
:
30
Step 1:
18 units - 16 units
= 2 units
Step 2:
2 units
= 52
1 unit
= 52 ÷ 2
= 26
Step 3:
16 units + 32 units
= 48 units
Step 4:
48 units
= 48 x 26
= 1248
2)
Tulasi was fixing a jigsaw puzzle. On the first day, the ratio of the number of pieces she fixed to the number of pieces unfixed was 1:2. On the second day, she fixed another 36 pieces of the puzzle. As a result, the ratio of the number of pieces she fixed to the number of pieces unfixed became 4:5. How many pieces did the puzzle consist of
Answer: 324
SOLUTION 1 :
Before
Fixed
:
Unfixed
1
:
2
9
:
18
After
Fixed
:
Unfixed
4
:
5
12
:
15
Step 1:
12 units - 9 units
= 3 units
Step 2:
3 units
= 36
1 unit
= 36 ÷ 3
= 12
Step 3:
9 units + 18 units
= 27 units
Step 4:
27 units
= 27 x 12
= 324
3)
Amutha was fixing a jigsaw puzzle. On the first day, the ratio of the number of pieces she fixed to the number of pieces unfixed was 2:3. On the second day, she fixed another 36 pieces of the puzzle. As a result, the ratio of the number of pieces she fixed to the number of pieces unfixed became 4:5. How many pieces did the puzzle consist of
Answer: 810
SOLUTION 1 :
Before
Fixed
:
Unfixed
2
:
3
18
:
27
After
Fixed
:
Unfixed
4
:
5
20
:
25
Step 1:
20 units - 18 units
= 2 units
Step 2:
2 units
= 36
1 unit
= 36 ÷ 2
= 18
Step 3:
18 units + 27 units
= 45 units
Step 4:
45 units
= 45 x 18
= 810
4)
Pugal was fixing a jigsaw puzzle. On the first day, the ratio of the number of pieces he fixed to the number of pieces unfixed was 1:4. On the second day, he fixed another 54 pieces of the puzzle. As a result, the ratio of the number of pieces he fixed to the number of pieces unfixed became 2:5. How many pieces did the puzzle consist of
Answer: 630
SOLUTION 1 :
Before
Fixed
:
Unfixed
1
:
4
7
:
28
After
Fixed
:
Unfixed
2
:
5
10
:
25
Step 1:
10 units - 7 units
= 3 units
Step 2:
3 units
= 54
1 unit
= 54 ÷ 3
= 18
Step 3:
7 units + 28 units
= 35 units
Step 4:
35 units
= 35 x 18
= 630
5)
Selvanayaki was fixing a jigsaw puzzle. On the first day, the ratio of the number of pieces she fixed to the number of pieces unfixed was 1:4. On the second day, she fixed another 42 pieces of the puzzle. As a result, the ratio of the number of pieces she fixed to the number of pieces unfixed became 3:5. How many pieces did the puzzle consist of
Answer: 240
SOLUTION 1 :
Before
Fixed
:
Unfixed
1
:
4
8
:
32
After
Fixed
:
Unfixed
3
:
5
15
:
25
Step 1:
15 units - 8 units
= 7 units
Step 2:
7 units
= 42
1 unit
= 42 ÷ 7
= 6
Step 3:
8 units + 32 units
= 40 units
Step 4:
40 units
= 40 x 6
= 240
6)
Aravindh was fixing a jigsaw puzzle. On the first day, the ratio of the number of pieces he fixed to the number of pieces unfixed was 2:4. On the second day, he fixed another 44 pieces of the puzzle. As a result, the ratio of the number of pieces he fixed to the number of pieces unfixed became 3:5. How many pieces did the puzzle consist of
Answer: 1056
SOLUTION 1 :
Before
Fixed
:
Unfixed
2
:
4
16
:
32
After
Fixed
:
Unfixed
3
:
5
18
:
30
Step 1:
18 units - 16 units
= 2 units
Step 2:
2 units
= 44
1 unit
= 44 ÷ 2
= 22
Step 3:
16 units + 32 units
= 48 units
Step 4:
48 units
= 48 x 22
= 1056
7)
Ovini was fixing a jigsaw puzzle. On the first day, the ratio of the number of pieces she fixed to the number of pieces unfixed was 1:2. On the second day, she fixed another 54 pieces of the puzzle. As a result, the ratio of the number of pieces she fixed to the number of pieces unfixed became 4:5. How many pieces did the puzzle consist of
Answer: 486
SOLUTION 1 :
Before
Fixed
:
Unfixed
1
:
2
9
:
18
After
Fixed
:
Unfixed
4
:
5
12
:
15
Step 1:
12 units - 9 units
= 3 units
Step 2:
3 units
= 54
1 unit
= 54 ÷ 3
= 18
Step 3:
9 units + 18 units
= 27 units
Step 4:
27 units
= 27 x 18
= 486
8)
Indra was fixing a jigsaw puzzle. On the first day, the ratio of the number of pieces she fixed to the number of pieces unfixed was 2:3. On the second day, she fixed another 24 pieces of the puzzle. As a result, the ratio of the number of pieces she fixed to the number of pieces unfixed became 4:5. How many pieces did the puzzle consist of
Answer: 540
SOLUTION 1 :
Before
Fixed
:
Unfixed
2
:
3
18
:
27
After
Fixed
:
Unfixed
4
:
5
20
:
25
Step 1:
20 units - 18 units
= 2 units
Step 2:
2 units
= 24
1 unit
= 24 ÷ 2
= 12
Step 3:
18 units + 27 units
= 45 units
Step 4:
45 units
= 45 x 12
= 540
9)
Raj was fixing a jigsaw puzzle. On the first day, the ratio of the number of pieces he fixed to the number of pieces unfixed was 1:4. On the second day, he fixed another 90 pieces of the puzzle. As a result, the ratio of the number of pieces he fixed to the number of pieces unfixed became 2:5. How many pieces did the puzzle consist of
Answer: 1050
SOLUTION 1 :
Before
Fixed
:
Unfixed
1
:
4
7
:
28
After
Fixed
:
Unfixed
2
:
5
10
:
25
Step 1:
10 units - 7 units
= 3 units
Step 2:
3 units
= 90
1 unit
= 90 ÷ 3
= 30
Step 3:
7 units + 28 units
= 35 units
Step 4:
35 units
= 35 x 30
= 1050
10)
Tulasi was fixing a jigsaw puzzle. On the first day, the ratio of the number of pieces she fixed to the number of pieces unfixed was 1:4. On the second day, she fixed another 63 pieces of the puzzle. As a result, the ratio of the number of pieces she fixed to the number of pieces unfixed became 3:5. How many pieces did the puzzle consist of