Written Instructions:
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) The total mass of Pavi and Ovini is 89 kg. The total mass of Ovini and Poongodi is 96 kg. a) How much heavier is Poongodi than Pavi kg b) If the total mass of the 3 children is 148 kg, find Pavi's mass. kg Answer:_______________ |
| 2) The total mass of Ovini and Haritha is 83 kg. The total mass of Haritha and Indra is 98 kg. a) How much heavier is Indra than Ovini kg b) If the total mass of the 3 children is 137 kg, find Ovini's mass. kg Answer:_______________ |
| 3) The total mass of Keerthi and Chithra is 87 kg. The total mass of Chithra and Thamarai is 100 kg. a) How much heavier is Thamarai than Keerthi kg b) If the total mass of the 3 children is 150 kg, find Keerthi's mass. kg Answer:_______________ |
| 4) The total mass of Keerthi and Nandini is 88 kg. The total mass of Nandini and Swathi is 95 kg. a) How much heavier is Swathi than Keerthi kg b) If the total mass of the 3 children is 137 kg, find Keerthi's mass. kg Answer:_______________ |
| 5) The total mass of Ponnalagu and Chithra is 87 kg. The total mass of Chithra and Parveen is 95 kg. a) How much heavier is Parveen than Ponnalagu kg b) If the total mass of the 3 children is 144 kg, find Ponnalagu's mass. kg Answer:_______________ |
| 6) The total mass of Ovini and Kumutha is 80 kg. The total mass of Kumutha and Mithra is 94 kg. a) How much heavier is Mithra than Ovini kg b) If the total mass of the 3 children is 144 kg, find Ovini's mass. kg Answer:_______________ |
| 7) The total mass of Tulasi and Ovini is 90 kg. The total mass of Ovini and Kumutha is 97 kg. a) How much heavier is Kumutha than Tulasi kg b) If the total mass of the 3 children is 146 kg, find Tulasi's mass. kg Answer:_______________ |
| 8) The total mass of Nandini and Panimalar is 80 kg. The total mass of Panimalar and Keerthi is 93 kg. a) How much heavier is Keerthi than Nandini kg b) If the total mass of the 3 children is 147 kg, find Nandini's mass. kg Answer:_______________ |
| 9) The total mass of Thamarai and Tulasi is 88 kg. The total mass of Tulasi and Amutha is 94 kg. a) How much heavier is Amutha than Thamarai kg b) If the total mass of the 3 children is 146 kg, find Thamarai's mass. kg Answer:_______________ |
| 10) The total mass of Savithri and Swathi is 84 kg. The total mass of Swathi and Ovini is 92 kg. a) How much heavier is Ovini than Savithri kg b) If the total mass of the 3 children is 148 kg, find Savithri's mass. kg Answer:_______________ |
| 1) The total mass of Pavi and Ovini is 89 kg. The total mass of Ovini and Poongodi is 96 kg. a) How much heavier is Poongodi than Pavi Answer: 7 kg b) If the total mass of the 3 children is 148 kg, find Pavi's mass. Answer: 52 kg SOLUTION 1 : a) Step 1: 96 kg - 89 kg = 7 kg Poongodi is 7 kg heavier than Pavi. b) Step 1: 89 kg + 96 kg = 185 kg Step 2: 185 kg - 148 kg = 37 kg Step 3: 89 kg - 37 kg = 52 kg Pavi's mass is 52 kg. |
| 2) The total mass of Ovini and Haritha is 83 kg. The total mass of Haritha and Indra is 98 kg. a) How much heavier is Indra than Ovini Answer: 15 kg b) If the total mass of the 3 children is 137 kg, find Ovini's mass. Answer: 39 kg SOLUTION 1 : a) Step 1: 98 kg - 83 kg = 15 kg Indra is 15 kg heavier than Ovini. b) Step 1: 83 kg + 98 kg = 181 kg Step 2: 181 kg - 137 kg = 44 kg Step 3: 83 kg - 44 kg = 39 kg Ovini's mass is 39 kg. |
| 3) The total mass of Keerthi and Chithra is 87 kg. The total mass of Chithra and Thamarai is 100 kg. a) How much heavier is Thamarai than Keerthi Answer: 13 kg b) If the total mass of the 3 children is 150 kg, find Keerthi's mass. Answer: 50 kg SOLUTION 1 : a) Step 1: 100 kg - 87 kg = 13 kg Thamarai is 13 kg heavier than Keerthi. b) Step 1: 87 kg + 100 kg = 187 kg Step 2: 187 kg - 150 kg = 37 kg Step 3: 87 kg - 37 kg = 50 kg Keerthi's mass is 50 kg. |
| 4) The total mass of Keerthi and Nandini is 88 kg. The total mass of Nandini and Swathi is 95 kg. a) How much heavier is Swathi than Keerthi Answer: 7 kg b) If the total mass of the 3 children is 137 kg, find Keerthi's mass. Answer: 42 kg SOLUTION 1 : a) Step 1: 95 kg - 88 kg = 7 kg Swathi is 7 kg heavier than Keerthi. b) Step 1: 88 kg + 95 kg = 183 kg Step 2: 183 kg - 137 kg = 46 kg Step 3: 88 kg - 46 kg = 42 kg Keerthi's mass is 42 kg. |
| 5) The total mass of Ponnalagu and Chithra is 87 kg. The total mass of Chithra and Parveen is 95 kg. a) How much heavier is Parveen than Ponnalagu Answer: 8 kg b) If the total mass of the 3 children is 144 kg, find Ponnalagu's mass. Answer: 49 kg SOLUTION 1 : a) Step 1: 95 kg - 87 kg = 8 kg Parveen is 8 kg heavier than Ponnalagu. b) Step 1: 87 kg + 95 kg = 182 kg Step 2: 182 kg - 144 kg = 38 kg Step 3: 87 kg - 38 kg = 49 kg Ponnalagu's mass is 49 kg. |
| 6) The total mass of Ovini and Kumutha is 80 kg. The total mass of Kumutha and Mithra is 94 kg. a) How much heavier is Mithra than Ovini Answer: 14 kg b) If the total mass of the 3 children is 144 kg, find Ovini's mass. Answer: 50 kg SOLUTION 1 : a) Step 1: 94 kg - 80 kg = 14 kg Mithra is 14 kg heavier than Ovini. b) Step 1: 80 kg + 94 kg = 174 kg Step 2: 174 kg - 144 kg = 30 kg Step 3: 80 kg - 30 kg = 50 kg Ovini's mass is 50 kg. |
| 7) The total mass of Tulasi and Ovini is 90 kg. The total mass of Ovini and Kumutha is 97 kg. a) How much heavier is Kumutha than Tulasi Answer: 7 kg b) If the total mass of the 3 children is 146 kg, find Tulasi's mass. Answer: 49 kg SOLUTION 1 : a) Step 1: 97 kg - 90 kg = 7 kg Kumutha is 7 kg heavier than Tulasi. b) Step 1: 90 kg + 97 kg = 187 kg Step 2: 187 kg - 146 kg = 41 kg Step 3: 90 kg - 41 kg = 49 kg Tulasi's mass is 49 kg. |
| 8) The total mass of Nandini and Panimalar is 80 kg. The total mass of Panimalar and Keerthi is 93 kg. a) How much heavier is Keerthi than Nandini Answer: 13 kg b) If the total mass of the 3 children is 147 kg, find Nandini's mass. Answer: 54 kg SOLUTION 1 : a) Step 1: 93 kg - 80 kg = 13 kg Keerthi is 13 kg heavier than Nandini. b) Step 1: 80 kg + 93 kg = 173 kg Step 2: 173 kg - 147 kg = 26 kg Step 3: 80 kg - 26 kg = 54 kg Nandini's mass is 54 kg. |
| 9) The total mass of Thamarai and Tulasi is 88 kg. The total mass of Tulasi and Amutha is 94 kg. a) How much heavier is Amutha than Thamarai Answer: 6 kg b) If the total mass of the 3 children is 146 kg, find Thamarai's mass. Answer: 52 kg SOLUTION 1 : a) Step 1: 94 kg - 88 kg = 6 kg Amutha is 6 kg heavier than Thamarai. b) Step 1: 88 kg + 94 kg = 182 kg Step 2: 182 kg - 146 kg = 36 kg Step 3: 88 kg - 36 kg = 52 kg Thamarai's mass is 52 kg. |
| 10) The total mass of Savithri and Swathi is 84 kg. The total mass of Swathi and Ovini is 92 kg. a) How much heavier is Ovini than Savithri Answer: 8 kg b) If the total mass of the 3 children is 148 kg, find Savithri's mass. Answer: 56 kg SOLUTION 1 : a) Step 1: 92 kg - 84 kg = 8 kg Ovini is 8 kg heavier than Savithri. b) Step 1: 84 kg + 92 kg = 176 kg Step 2: 176 kg - 148 kg = 28 kg Step 3: 84 kg - 28 kg = 56 kg Savithri's mass is 56 kg. |