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) Ramani saves 60% of her salary. When her salary is reduced by 5%, her savings is reduced by $276. How much is her salary at first $ ___ Answer:_______________ |
| 2) Mr Tan always gives 30% of his income to his wife. When his income is increased by 60%, he gives her $900 more. Find his income before the increase. $ ___ Answer:_______________ |
| 3) Mr Richard always gives 20% of his income to his wife. When his income is increased by 20%, he gives her $508 more. Find his income before the increase. $ ___ Answer:_______________ |
| 4) Mr Singh always gives 55% of his income to his wife. When his income is increased by 40%, he gives her $726 more. Find his income before the increase. $ ___ Answer:_______________ |
| 5) Narayanan saves 40% of his salary. When his salary is reduced by 5%, his savings is reduced by $446. How much is his salary at first $ ___ Answer:_______________ |
| 6) Ponnalagu saves 60% of her salary. When her salary is reduced by 5%, her savings is reduced by $504. How much is her salary at first $ ___ Answer:_______________ |
| 7) Mr Tan always gives 45% of his income to his wife. When his income is increased by 60%, he gives her $729 more. Find his income before the increase. $ ___ Answer:_______________ |
| 8) Mr Richard always gives 35% of his income to his wife. When his income is increased by 20%, he gives her $427 more. Find his income before the increase. $ ___ Answer:_______________ |
| 9) Mr Singh always gives 45% of his income to his wife. When his income is increased by 40%, he gives her $792 more. Find his income before the increase. $ ___ Answer:_______________ |
| 10) Prem saves 40% of his salary. When his salary is reduced by 10%, his savings is reduced by $988. How much is his salary at first $ ___ Answer:_______________ |
| 1) Ramani saves 60% of her salary. When her salary is reduced by 5%, her savings is reduced by $276. How much is her salary at first Answer: $9200 SOLUTION 1 :
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| 2) Mr Tan always gives 30% of his income to his wife. When his income is increased by 60%, he gives her $900 more. Find his income before the increase. Answer: $5000 SOLUTION 1 :
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| 3) Mr Richard always gives 20% of his income to his wife. When his income is increased by 20%, he gives her $508 more. Find his income before the increase. Answer: $12700 SOLUTION 1 :
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| 4) Mr Singh always gives 55% of his income to his wife. When his income is increased by 40%, he gives her $726 more. Find his income before the increase. Answer: $3300 SOLUTION 1 :
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| 5) Narayanan saves 40% of his salary. When his salary is reduced by 5%, his savings is reduced by $446. How much is his salary at first Answer: $22300 SOLUTION 1 :
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| 6) Ponnalagu saves 60% of her salary. When her salary is reduced by 5%, her savings is reduced by $504. How much is her salary at first Answer: $16800 SOLUTION 1 :
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| 7) Mr Tan always gives 45% of his income to his wife. When his income is increased by 60%, he gives her $729 more. Find his income before the increase. Answer: $2700 SOLUTION 1 :
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| 8) Mr Richard always gives 35% of his income to his wife. When his income is increased by 20%, he gives her $427 more. Find his income before the increase. Answer: $6100 SOLUTION 1 :
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| 9) Mr Singh always gives 45% of his income to his wife. When his income is increased by 40%, he gives her $792 more. Find his income before the increase. Answer: $4400 SOLUTION 1 :
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| 10) Prem saves 40% of his salary. When his salary is reduced by 10%, his savings is reduced by $988. How much is his salary at first Answer: $24700 SOLUTION 1 :
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