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) Mr Richard always gives 35% of his income to his wife. When his income is increased by 20%, he gives her $301 more. Find his income before the increase. $ ___ Answer:_______________ |
| 2) Kalai saves 40% of his salary. When his salary is reduced by 30%, his savings is reduced by $288. How much is his salary at first $ ___ Answer:_______________ |
| 3) Tamilselvi saves 60% of her salary. When her salary is reduced by 25%, her savings is reduced by $720. How much is her salary at first $ ___ Answer:_______________ |
| 4) Mr Tan always gives 50% of his income to his wife. When his income is increased by 60%, he gives her $330 more. Find his income before the increase. $ ___ Answer:_______________ |
| 5) Mr Singh always gives 30% of his income to his wife. When his income is increased by 40%, he gives her $312 more. Find his income before the increase. $ ___ Answer:_______________ |
| 6) Mr Richard always gives 50% of his income to his wife. When his income is increased by 20%, he gives her $470 more. Find his income before the increase. $ ___ Answer:_______________ |
| 7) Barathan saves 40% of his salary. When his salary is reduced by 30%, his savings is reduced by $684. How much is his salary at first $ ___ Answer:_______________ |
| 8) Chithra saves 60% of her salary. When her salary is reduced by 15%, her savings is reduced by $756. How much is her salary at first $ ___ Answer:_______________ |
| 9) Mr Tan always gives 40% of his income to his wife. When his income is increased by 60%, he gives her $792 more. Find his income before the increase. $ ___ Answer:_______________ |
| 10) Mr Singh always gives 30% of his income to his wife. When his income is increased by 40%, he gives her $348 more. Find his income before the increase. $ ___ Answer:_______________ |
| 1) Mr Richard always gives 35% of his income to his wife. When his income is increased by 20%, he gives her $301 more. Find his income before the increase. Answer: $4300 SOLUTION 1 :
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| 2) Kalai saves 40% of his salary. When his salary is reduced by 30%, his savings is reduced by $288. How much is his salary at first Answer: $2400 SOLUTION 1 :
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| 3) Tamilselvi saves 60% of her salary. When her salary is reduced by 25%, her savings is reduced by $720. How much is her salary at first Answer: $4800 SOLUTION 1 :
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| 4) Mr Tan always gives 50% of his income to his wife. When his income is increased by 60%, he gives her $330 more. Find his income before the increase. Answer: $1100 SOLUTION 1 :
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| 5) Mr Singh always gives 30% of his income to his wife. When his income is increased by 40%, he gives her $312 more. Find his income before the increase. Answer: $2600 SOLUTION 1 :
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| 6) Mr Richard always gives 50% of his income to his wife. When his income is increased by 20%, he gives her $470 more. Find his income before the increase. Answer: $4700 SOLUTION 1 :
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| 7) Barathan saves 40% of his salary. When his salary is reduced by 30%, his savings is reduced by $684. How much is his salary at first Answer: $5700 SOLUTION 1 :
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| 8) Chithra saves 60% of her salary. When her salary is reduced by 15%, her savings is reduced by $756. How much is her salary at first Answer: $8400 SOLUTION 1 :
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| 9) Mr Tan always gives 40% of his income to his wife. When his income is increased by 60%, he gives her $792 more. Find his income before the increase. Answer: $3300 SOLUTION 1 :
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| 10) Mr Singh always gives 30% of his income to his wife. When his income is increased by 40%, he gives her $348 more. Find his income before the increase. Answer: $2900 SOLUTION 1 :
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