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 Nandini and Pavi is 88 kg. The total mass of Pavi and Selvanayaki is 100 kg. a) How much heavier is Selvanayaki than Nandini kg b) If the total mass of the 3 children is 139 kg, find Nandini's mass. kg Answer:_______________ |
| 2) The total mass of Ramani and Tamilselvi is 86 kg. The total mass of Tamilselvi and Selvanayaki is 100 kg. a) How much heavier is Selvanayaki than Ramani kg b) If the total mass of the 3 children is 140 kg, find Ramani's mass. kg Answer:_______________ |
| 3) The total mass of Chithra and Thamarai is 81 kg. The total mass of Thamarai and Ovini is 92 kg. a) How much heavier is Ovini than Chithra kg b) If the total mass of the 3 children is 141 kg, find Chithra's mass. kg Answer:_______________ |
| 4) The total mass of Ponnalagu and Thamarai is 82 kg. The total mass of Thamarai and Jeevini is 96 kg. a) How much heavier is Jeevini than Ponnalagu kg b) If the total mass of the 3 children is 141 kg, find Ponnalagu's mass. kg Answer:_______________ |
| 5) The total mass of Indra and Parveen is 81 kg. The total mass of Parveen and Panimalar is 98 kg. a) How much heavier is Panimalar than Indra kg b) If the total mass of the 3 children is 140 kg, find Indra's mass. kg Answer:_______________ |
| 6) The total mass of Poovazhagi and Nandini is 80 kg. The total mass of Nandini and Tamilselvi is 96 kg. a) How much heavier is Tamilselvi than Poovazhagi kg b) If the total mass of the 3 children is 142 kg, find Poovazhagi's mass. kg Answer:_______________ |
| 7) The total mass of Mithra and Parveen is 82 kg. The total mass of Parveen and Panimalar is 94 kg. a) How much heavier is Panimalar than Mithra kg b) If the total mass of the 3 children is 144 kg, find Mithra's mass. kg Answer:_______________ |
| 8) The total mass of Nandini and Tamilselvi is 90 kg. The total mass of Tamilselvi and Savithri is 93 kg. a) How much heavier is Savithri than Nandini kg b) If the total mass of the 3 children is 150 kg, find Nandini's mass. kg Answer:_______________ |
| 9) The total mass of Ramani and Kumutha is 89 kg. The total mass of Kumutha and Indra is 96 kg. a) How much heavier is Indra than Ramani kg b) If the total mass of the 3 children is 150 kg, find Ramani's mass. kg Answer:_______________ |
| 10) The total mass of Ovini and Selvanayaki is 82 kg. The total mass of Selvanayaki and Pavi is 97 kg. a) How much heavier is Pavi than Ovini kg b) If the total mass of the 3 children is 136 kg, find Ovini's mass. kg Answer:_______________ |
| 1) The total mass of Nandini and Pavi is 88 kg. The total mass of Pavi and Selvanayaki is 100 kg. a) How much heavier is Selvanayaki than Nandini Answer: 12 kg b) If the total mass of the 3 children is 139 kg, find Nandini's mass. Answer: 39 kg SOLUTION 1 : a) Step 1: 100 kg - 88 kg = 12 kg Selvanayaki is 12 kg heavier than Nandini. b) Step 1: 88 kg + 100 kg = 188 kg Step 2: 188 kg - 139 kg = 49 kg Step 3: 88 kg - 49 kg = 39 kg Nandini's mass is 39 kg. |
| 2) The total mass of Ramani and Tamilselvi is 86 kg. The total mass of Tamilselvi and Selvanayaki is 100 kg. a) How much heavier is Selvanayaki than Ramani Answer: 14 kg b) If the total mass of the 3 children is 140 kg, find Ramani's mass. Answer: 40 kg SOLUTION 1 : a) Step 1: 100 kg - 86 kg = 14 kg Selvanayaki is 14 kg heavier than Ramani. b) Step 1: 86 kg + 100 kg = 186 kg Step 2: 186 kg - 140 kg = 46 kg Step 3: 86 kg - 46 kg = 40 kg Ramani's mass is 40 kg. |
| 3) The total mass of Chithra and Thamarai is 81 kg. The total mass of Thamarai and Ovini is 92 kg. a) How much heavier is Ovini than Chithra Answer: 11 kg b) If the total mass of the 3 children is 141 kg, find Chithra's mass. Answer: 49 kg SOLUTION 1 : a) Step 1: 92 kg - 81 kg = 11 kg Ovini is 11 kg heavier than Chithra. b) Step 1: 81 kg + 92 kg = 173 kg Step 2: 173 kg - 141 kg = 32 kg Step 3: 81 kg - 32 kg = 49 kg Chithra's mass is 49 kg. |
| 4) The total mass of Ponnalagu and Thamarai is 82 kg. The total mass of Thamarai and Jeevini is 96 kg. a) How much heavier is Jeevini than Ponnalagu Answer: 14 kg b) If the total mass of the 3 children is 141 kg, find Ponnalagu's mass. Answer: 45 kg SOLUTION 1 : a) Step 1: 96 kg - 82 kg = 14 kg Jeevini is 14 kg heavier than Ponnalagu. b) Step 1: 82 kg + 96 kg = 178 kg Step 2: 178 kg - 141 kg = 37 kg Step 3: 82 kg - 37 kg = 45 kg Ponnalagu's mass is 45 kg. |
| 5) The total mass of Indra and Parveen is 81 kg. The total mass of Parveen and Panimalar is 98 kg. a) How much heavier is Panimalar than Indra Answer: 17 kg b) If the total mass of the 3 children is 140 kg, find Indra's mass. Answer: 42 kg SOLUTION 1 : a) Step 1: 98 kg - 81 kg = 17 kg Panimalar is 17 kg heavier than Indra. b) Step 1: 81 kg + 98 kg = 179 kg Step 2: 179 kg - 140 kg = 39 kg Step 3: 81 kg - 39 kg = 42 kg Indra's mass is 42 kg. |
| 6) The total mass of Poovazhagi and Nandini is 80 kg. The total mass of Nandini and Tamilselvi is 96 kg. a) How much heavier is Tamilselvi than Poovazhagi Answer: 16 kg b) If the total mass of the 3 children is 142 kg, find Poovazhagi's mass. Answer: 46 kg SOLUTION 1 : a) Step 1: 96 kg - 80 kg = 16 kg Tamilselvi is 16 kg heavier than Poovazhagi. b) Step 1: 80 kg + 96 kg = 176 kg Step 2: 176 kg - 142 kg = 34 kg Step 3: 80 kg - 34 kg = 46 kg Poovazhagi's mass is 46 kg. |
| 7) The total mass of Mithra and Parveen is 82 kg. The total mass of Parveen and Panimalar is 94 kg. a) How much heavier is Panimalar than Mithra Answer: 12 kg b) If the total mass of the 3 children is 144 kg, find Mithra's mass. Answer: 50 kg SOLUTION 1 : a) Step 1: 94 kg - 82 kg = 12 kg Panimalar is 12 kg heavier than Mithra. b) Step 1: 82 kg + 94 kg = 176 kg Step 2: 176 kg - 144 kg = 32 kg Step 3: 82 kg - 32 kg = 50 kg Mithra's mass is 50 kg. |
| 8) The total mass of Nandini and Tamilselvi is 90 kg. The total mass of Tamilselvi and Savithri is 93 kg. a) How much heavier is Savithri than Nandini Answer: 3 kg b) If the total mass of the 3 children is 150 kg, find Nandini's mass. Answer: 57 kg SOLUTION 1 : a) Step 1: 93 kg - 90 kg = 3 kg Savithri is 3 kg heavier than Nandini. 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 Nandini's mass is 57 kg. |
| 9) The total mass of Ramani and Kumutha is 89 kg. The total mass of Kumutha and Indra is 96 kg. a) How much heavier is Indra than Ramani Answer: 7 kg b) If the total mass of the 3 children is 150 kg, find Ramani's mass. Answer: 54 kg SOLUTION 1 : a) Step 1: 96 kg - 89 kg = 7 kg Indra is 7 kg heavier than Ramani. b) Step 1: 89 kg + 96 kg = 185 kg Step 2: 185 kg - 150 kg = 35 kg Step 3: 89 kg - 35 kg = 54 kg Ramani's mass is 54 kg. |
| 10) The total mass of Ovini and Selvanayaki is 82 kg. The total mass of Selvanayaki and Pavi is 97 kg. a) How much heavier is Pavi than Ovini Answer: 15 kg b) If the total mass of the 3 children is 136 kg, find Ovini's mass. Answer: 39 kg SOLUTION 1 : a) Step 1: 97 kg - 82 kg = 15 kg Pavi is 15 kg heavier than Ovini. b) Step 1: 82 kg + 97 kg = 179 kg Step 2: 179 kg - 136 kg = 43 kg Step 3: 82 kg - 43 kg = 39 kg Ovini's mass is 39 kg. |