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 30% of his income to his wife. When his income is increased by 60%, he gives her $954 more. Find his income before the increase. $ ___ Answer:_______________ |
| 2) Moorthi saves 40% of his salary. When his salary is reduced by 30%, his savings is reduced by $576. How much is his salary at first $ ___ Answer:_______________ |
| 3) Mr Richard always gives 45% of his income to his wife. When his income is increased by 20%, he gives her $513 more. Find his income before the increase. $ ___ Answer:_______________ |
| 4) Haritha saves 60% of her salary. When her salary is reduced by 10%, her savings is reduced by $702. How much is her salary at first $ ___ Answer:_______________ |
| 5) Mr Singh always gives 20% of his income to his wife. When his income is increased by 40%, he gives her $568 more. Find his income before the increase. $ ___ Answer:_______________ |
| 6) Mr Tan always gives 55% of his income to his wife. When his income is increased by 60%, he gives her $396 more. Find his income before the increase. $ ___ Answer:_______________ |
| 7) Raj saves 40% of his salary. When his salary is reduced by 30%, his savings is reduced by $408. How much is his salary at first $ ___ Answer:_______________ |
| 8) Mr Richard always gives 45% of his income to his wife. When his income is increased by 20%, he gives her $864 more. Find his income before the increase. $ ___ Answer:_______________ |
| 9) Tulasi saves 60% of her salary. When her salary is reduced by 25%, her savings is reduced by $855. How much is her salary at first $ ___ Answer:_______________ |
| 10) Mr Singh always gives 20% of his income to his wife. When his income is increased by 40%, he gives her $520 more. Find his income before the increase. $ ___ Answer:_______________ |
| 1) Mr Tan always gives 30% of his income to his wife. When his income is increased by 60%, he gives her $954 more. Find his income before the increase. Answer: $5300 SOLUTION 1 :
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| 2) Moorthi saves 40% of his salary. When his salary is reduced by 30%, his savings is reduced by $576. How much is his salary at first Answer: $4800 SOLUTION 1 :
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| 3) Mr Richard always gives 45% of his income to his wife. When his income is increased by 20%, he gives her $513 more. Find his income before the increase. Answer: $5700 SOLUTION 1 :
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| 4) Haritha saves 60% of her salary. When her salary is reduced by 10%, her savings is reduced by $702. How much is her salary at first Answer: $11700 SOLUTION 1 :
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| 5) Mr Singh always gives 20% of his income to his wife. When his income is increased by 40%, he gives her $568 more. Find his income before the increase. Answer: $7100 SOLUTION 1 :
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| 6) Mr Tan always gives 55% of his income to his wife. When his income is increased by 60%, he gives her $396 more. Find his income before the increase. Answer: $1200 SOLUTION 1 :
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| 7) Raj saves 40% of his salary. When his salary is reduced by 30%, his savings is reduced by $408. How much is his salary at first Answer: $3400 SOLUTION 1 :
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| 8) Mr Richard always gives 45% of his income to his wife. When his income is increased by 20%, he gives her $864 more. Find his income before the increase. Answer: $9600 SOLUTION 1 :
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| 9) Tulasi saves 60% of her salary. When her salary is reduced by 25%, her savings is reduced by $855. How much is her salary at first Answer: $5700 SOLUTION 1 :
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| 10) Mr Singh always gives 20% of his income to his wife. When his income is increased by 40%, he gives her $520 more. Find his income before the increase. Answer: $6500 SOLUTION 1 :
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