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 Tan always gives 60% of his income to his wife. When his income is increased by 60%, he gives her $936 more. Find his income before the increase. $ ___ Answer:_______________ |
| 2) Raj saves 40% of his salary. When his salary is reduced by 10%, his savings is reduced by $468. How much is his salary at first $ ___ Answer:_______________ |
| 3) Nandini saves 60% of her salary. When her salary is reduced by 30%, her savings is reduced by $306. How much is her salary at first $ ___ Answer:_______________ |
| 4) Mr Singh always gives 40% of his income to his wife. When his income is increased by 40%, he gives her $304 more. Find his income before the increase. $ ___ Answer:_______________ |
| 5) Mr Richard always gives 55% of his income to his wife. When his income is increased by 20%, he gives her $979 more. Find his income before the increase. $ ___ Answer:_______________ |
| 6) Mr Tan always gives 30% of his income to his wife. When his income is increased by 60%, he gives her $684 more. Find his income before the increase. $ ___ Answer:_______________ |
| 7) Sriram saves 40% of his salary. When his salary is reduced by 10%, his savings is reduced by $620. How much is his salary at first $ ___ Answer:_______________ |
| 8) Chithra saves 60% of her salary. When her salary is reduced by 25%, her savings is reduced by $555. How much is her salary at first $ ___ Answer:_______________ |
| 9) Mr Singh always gives 30% of his income to his wife. When his income is increased by 40%, he gives her $624 more. Find his income before the increase. $ ___ Answer:_______________ |
| 10) Mr Richard always gives 50% of his income to his wife. When his income is increased by 20%, he gives her $490 more. Find his income before the increase. $ ___ Answer:_______________ |
| 1) Mr Tan always gives 60% of his income to his wife. When his income is increased by 60%, he gives her $936 more. Find his income before the increase. Answer: $2600 SOLUTION 1 :
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| 2) Raj saves 40% of his salary. When his salary is reduced by 10%, his savings is reduced by $468. How much is his salary at first Answer: $11700 SOLUTION 1 :
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| 3) Nandini saves 60% of her salary. When her salary is reduced by 30%, her savings is reduced by $306. How much is her salary at first Answer: $1700 SOLUTION 1 :
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| 4) Mr Singh always gives 40% of his income to his wife. When his income is increased by 40%, he gives her $304 more. Find his income before the increase. Answer: $1900 SOLUTION 1 :
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| 5) Mr Richard always gives 55% of his income to his wife. When his income is increased by 20%, he gives her $979 more. Find his income before the increase. Answer: $8900 SOLUTION 1 :
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| 6) Mr Tan always gives 30% of his income to his wife. When his income is increased by 60%, he gives her $684 more. Find his income before the increase. Answer: $3800 SOLUTION 1 :
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| 7) Sriram saves 40% of his salary. When his salary is reduced by 10%, his savings is reduced by $620. How much is his salary at first Answer: $15500 SOLUTION 1 :
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| 8) Chithra saves 60% of her salary. When her salary is reduced by 25%, her savings is reduced by $555. How much is her salary at first Answer: $3700 SOLUTION 1 :
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| 9) Mr Singh always gives 30% of his income to his wife. When his income is increased by 40%, he gives her $624 more. Find his income before the increase. Answer: $5200 SOLUTION 1 :
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| 10) Mr Richard always gives 50% of his income to his wife. When his income is increased by 20%, he gives her $490 more. Find his income before the increase. Answer: $4900 SOLUTION 1 :
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