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)
Selvan 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 39 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:_______________
2)
Anand 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 48 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:_______________
3)
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 2:3. On the second day, she fixed another 40 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)
Savithri 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 48 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:_______________
5)
Tamilselvi 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:_______________
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 1:4. On the second day, he fixed another 33 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:_______________
7)
Moorthi 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 34 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:_______________
8)
Nandini 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 20 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)
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 1:2. 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:_______________
10)
Parveen 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 70 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)
Selvan 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 39 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: 455
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
= 39
1 unit
= 39 ÷ 3
= 13
Step 3:
7 units + 28 units
= 35 units
Step 4:
35 units
= 35 x 13
= 455
2)
Anand 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 48 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: 1152
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
= 48
1 unit
= 48 ÷ 2
= 24
Step 3:
16 units + 32 units
= 48 units
Step 4:
48 units
= 48 x 24
= 1152
3)
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 2:3. On the second day, she fixed another 40 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: 900
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
= 40
1 unit
= 40 ÷ 2
= 20
Step 3:
18 units + 27 units
= 45 units
Step 4:
45 units
= 45 x 20
= 900
4)
Savithri 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 48 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: 432
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
= 48
1 unit
= 48 ÷ 3
= 16
Step 3:
9 units + 18 units
= 27 units
Step 4:
27 units
= 27 x 16
= 432
5)
Tamilselvi 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: 360
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
= 63
1 unit
= 63 ÷ 7
= 9
Step 3:
8 units + 32 units
= 40 units
Step 4:
40 units
= 40 x 9
= 360
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 1:4. On the second day, he fixed another 33 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: 385
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
= 33
1 unit
= 33 ÷ 3
= 11
Step 3:
7 units + 28 units
= 35 units
Step 4:
35 units
= 35 x 11
= 385
7)
Moorthi 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 34 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: 816
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
= 34
1 unit
= 34 ÷ 2
= 17
Step 3:
16 units + 32 units
= 48 units
Step 4:
48 units
= 48 x 17
= 816
8)
Nandini 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 20 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: 450
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
= 20
1 unit
= 20 ÷ 2
= 10
Step 3:
18 units + 27 units
= 45 units
Step 4:
45 units
= 45 x 10
= 450
9)
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 1:2. 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: 216
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
= 24
1 unit
= 24 ÷ 3
= 8
Step 3:
9 units + 18 units
= 27 units
Step 4:
27 units
= 27 x 8
= 216
10)
Parveen 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 70 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