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)
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 2:4. On the second day, he fixed another 84 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)
Karna 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 66 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:_______________
3)
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:_______________
4)
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 1:2. On the second day, she fixed another 33 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)
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 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:_______________
6)
Chidambaram 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 94 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)
Barathan 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 60 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:_______________
8)
Haritha 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)
Mithra 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 84 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)
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 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)
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 2:4. On the second day, he fixed another 84 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: 2016
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
= 84
1 unit
= 84 ÷ 2
= 42
Step 3:
16 units + 32 units
= 48 units
Step 4:
48 units
= 48 x 42
= 2016
2)
Karna 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 66 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: 770
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
= 66
1 unit
= 66 ÷ 3
= 22
Step 3:
7 units + 28 units
= 35 units
Step 4:
35 units
= 35 x 22
= 770
3)
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
4)
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 1:2. On the second day, she fixed another 33 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: 297
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
= 33
1 unit
= 33 ÷ 3
= 11
Step 3:
9 units + 18 units
= 27 units
Step 4:
27 units
= 27 x 11
= 297
5)
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 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: 400
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
= 70
1 unit
= 70 ÷ 7
= 10
Step 3:
8 units + 32 units
= 40 units
Step 4:
40 units
= 40 x 10
= 400
6)
Chidambaram 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 94 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: 2256
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
= 94
1 unit
= 94 ÷ 2
= 47
Step 3:
16 units + 32 units
= 48 units
Step 4:
48 units
= 48 x 47
= 2256
7)
Barathan 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 60 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: 700
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
= 60
1 unit
= 60 ÷ 3
= 20
Step 3:
7 units + 28 units
= 35 units
Step 4:
35 units
= 35 x 20
= 700
8)
Haritha 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)
Mithra 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 84 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: 756
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
= 84
1 unit
= 84 ÷ 3
= 28
Step 3:
9 units + 18 units
= 27 units
Step 4:
27 units
= 27 x 28
= 756
10)
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 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