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 Ponnalagu and Savithri is 90 kg. The total mass of Savithri and Kumutha is 93 kg. a) How much heavier is Kumutha than Ponnalagu kg b) If the total mass of the 3 children is 150 kg, find Ponnalagu's mass. kg Answer:_______________ |
| 2) The total mass of Nandini and Thamarai is 81 kg. The total mass of Thamarai and Kumutha is 95 kg. a) How much heavier is Kumutha than Nandini kg b) If the total mass of the 3 children is 135 kg, find Nandini's mass. kg Answer:_______________ |
| 3) The total mass of Ramani and Tulasi is 84 kg. The total mass of Tulasi and Swathi is 100 kg. a) How much heavier is Swathi than Ramani kg b) If the total mass of the 3 children is 137 kg, find Ramani's mass. kg Answer:_______________ |
| 4) The total mass of Keerthi and Nandini is 86 kg. The total mass of Nandini and Selvanayaki is 92 kg. a) How much heavier is Selvanayaki than Keerthi kg b) If the total mass of the 3 children is 143 kg, find Keerthi's mass. kg Answer:_______________ |
| 5) The total mass of Mithra and Keerthi is 83 kg. The total mass of Keerthi and Nandini is 92 kg. a) How much heavier is Nandini than Mithra kg b) If the total mass of the 3 children is 150 kg, find Mithra's mass. kg Answer:_______________ |
| 6) The total mass of Savithri and Mithra is 83 kg. The total mass of Mithra and Indra is 99 kg. a) How much heavier is Indra than Savithri kg b) If the total mass of the 3 children is 150 kg, find Savithri's mass. kg Answer:_______________ |
| 7) The total mass of Thamarai and Ramani is 89 kg. The total mass of Ramani and Pavi is 97 kg. a) How much heavier is Pavi than Thamarai kg b) If the total mass of the 3 children is 149 kg, find Thamarai's mass. kg Answer:_______________ |
| 8) The total mass of Savithri and Ponnalagu is 85 kg. The total mass of Ponnalagu and Kumutha is 99 kg. a) How much heavier is Kumutha than Savithri kg b) If the total mass of the 3 children is 141 kg, find Savithri's mass. kg Answer:_______________ |
| 9) The total mass of Amutha and Tamilselvi is 90 kg. The total mass of Tamilselvi and Ovini is 99 kg. a) How much heavier is Ovini than Amutha kg b) If the total mass of the 3 children is 141 kg, find Amutha's mass. kg Answer:_______________ |
| 10) The total mass of Parveen and Ramani is 84 kg. The total mass of Ramani and Panimalar is 97 kg. a) How much heavier is Panimalar than Parveen kg b) If the total mass of the 3 children is 140 kg, find Parveen's mass. kg Answer:_______________ |
| 1) The total mass of Ponnalagu and Savithri is 90 kg. The total mass of Savithri and Kumutha is 93 kg. a) How much heavier is Kumutha than Ponnalagu Answer: 3 kg b) If the total mass of the 3 children is 150 kg, find Ponnalagu's mass. Answer: 57 kg SOLUTION 1 : a) Step 1: 93 kg - 90 kg = 3 kg Kumutha is 3 kg heavier than Ponnalagu. b) Step 1: 90 kg + 93 kg = 183 kg Step 2: 183 kg - 150 kg = 33 kg Step 3: 90 kg - 33 kg = 57 kg Ponnalagu's mass is 57 kg. |
| 2) The total mass of Nandini and Thamarai is 81 kg. The total mass of Thamarai and Kumutha is 95 kg. a) How much heavier is Kumutha than Nandini Answer: 14 kg b) If the total mass of the 3 children is 135 kg, find Nandini's mass. Answer: 40 kg SOLUTION 1 : a) Step 1: 95 kg - 81 kg = 14 kg Kumutha is 14 kg heavier than Nandini. b) Step 1: 81 kg + 95 kg = 176 kg Step 2: 176 kg - 135 kg = 41 kg Step 3: 81 kg - 41 kg = 40 kg Nandini's mass is 40 kg. |
| 3) The total mass of Ramani and Tulasi is 84 kg. The total mass of Tulasi and Swathi is 100 kg. a) How much heavier is Swathi than Ramani Answer: 16 kg b) If the total mass of the 3 children is 137 kg, find Ramani's mass. Answer: 37 kg SOLUTION 1 : a) Step 1: 100 kg - 84 kg = 16 kg Swathi is 16 kg heavier than Ramani. b) Step 1: 84 kg + 100 kg = 184 kg Step 2: 184 kg - 137 kg = 47 kg Step 3: 84 kg - 47 kg = 37 kg Ramani's mass is 37 kg. |
| 4) The total mass of Keerthi and Nandini is 86 kg. The total mass of Nandini and Selvanayaki is 92 kg. a) How much heavier is Selvanayaki than Keerthi Answer: 6 kg b) If the total mass of the 3 children is 143 kg, find Keerthi's mass. Answer: 51 kg SOLUTION 1 : a) Step 1: 92 kg - 86 kg = 6 kg Selvanayaki is 6 kg heavier than Keerthi. b) Step 1: 86 kg + 92 kg = 178 kg Step 2: 178 kg - 143 kg = 35 kg Step 3: 86 kg - 35 kg = 51 kg Keerthi's mass is 51 kg. |
| 5) The total mass of Mithra and Keerthi is 83 kg. The total mass of Keerthi and Nandini is 92 kg. a) How much heavier is Nandini than Mithra Answer: 9 kg b) If the total mass of the 3 children is 150 kg, find Mithra's mass. Answer: 58 kg SOLUTION 1 : a) Step 1: 92 kg - 83 kg = 9 kg Nandini is 9 kg heavier than Mithra. b) Step 1: 83 kg + 92 kg = 175 kg Step 2: 175 kg - 150 kg = 25 kg Step 3: 83 kg - 25 kg = 58 kg Mithra's mass is 58 kg. |
| 6) The total mass of Savithri and Mithra is 83 kg. The total mass of Mithra and Indra is 99 kg. a) How much heavier is Indra than Savithri Answer: 16 kg b) If the total mass of the 3 children is 150 kg, find Savithri's mass. Answer: 51 kg SOLUTION 1 : a) Step 1: 99 kg - 83 kg = 16 kg Indra is 16 kg heavier than Savithri. b) Step 1: 83 kg + 99 kg = 182 kg Step 2: 182 kg - 150 kg = 32 kg Step 3: 83 kg - 32 kg = 51 kg Savithri's mass is 51 kg. |
| 7) The total mass of Thamarai and Ramani is 89 kg. The total mass of Ramani and Pavi is 97 kg. a) How much heavier is Pavi than Thamarai Answer: 8 kg b) If the total mass of the 3 children is 149 kg, find Thamarai's mass. Answer: 52 kg SOLUTION 1 : a) Step 1: 97 kg - 89 kg = 8 kg Pavi is 8 kg heavier than Thamarai. b) Step 1: 89 kg + 97 kg = 186 kg Step 2: 186 kg - 149 kg = 37 kg Step 3: 89 kg - 37 kg = 52 kg Thamarai's mass is 52 kg. |
| 8) The total mass of Savithri and Ponnalagu is 85 kg. The total mass of Ponnalagu and Kumutha is 99 kg. a) How much heavier is Kumutha than Savithri Answer: 14 kg b) If the total mass of the 3 children is 141 kg, find Savithri's mass. Answer: 42 kg SOLUTION 1 : a) Step 1: 99 kg - 85 kg = 14 kg Kumutha is 14 kg heavier than Savithri. b) Step 1: 85 kg + 99 kg = 184 kg Step 2: 184 kg - 141 kg = 43 kg Step 3: 85 kg - 43 kg = 42 kg Savithri's mass is 42 kg. |
| 9) The total mass of Amutha and Tamilselvi is 90 kg. The total mass of Tamilselvi and Ovini is 99 kg. a) How much heavier is Ovini than Amutha Answer: 9 kg b) If the total mass of the 3 children is 141 kg, find Amutha's mass. Answer: 42 kg SOLUTION 1 : a) Step 1: 99 kg - 90 kg = 9 kg Ovini is 9 kg heavier than Amutha. b) Step 1: 90 kg + 99 kg = 189 kg Step 2: 189 kg - 141 kg = 48 kg Step 3: 90 kg - 48 kg = 42 kg Amutha's mass is 42 kg. |
| 10) The total mass of Parveen and Ramani is 84 kg. The total mass of Ramani and Panimalar is 97 kg. a) How much heavier is Panimalar than Parveen Answer: 13 kg b) If the total mass of the 3 children is 140 kg, find Parveen's mass. Answer: 43 kg SOLUTION 1 : a) Step 1: 97 kg - 84 kg = 13 kg Panimalar is 13 kg heavier than Parveen. b) Step 1: 84 kg + 97 kg = 181 kg Step 2: 181 kg - 140 kg = 41 kg Step 3: 84 kg - 41 kg = 43 kg Parveen's mass is 43 kg. |