IMO- Mathematics Olympiad Class 7: Questions 541 - 545 of 1012
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Question number: 541
Question
A CD stand has 36 CDs of movies. On Sunday, 21 CDs were viewed by Rani. How many CDs remain unwatched?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 25 |
|
| b. | 11 |
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| c. | 12 |
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| d. | 15 |
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Question number: 542
Question
The selling price of a necklace is Rs. 25800 and the loss percent is . Find the cost price of the necklace.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Rs. 30491 |
|
| b. | Rs. 32600 |
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| c. | Rs. 30961 |
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| d. | Rs. 39601 |
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Question number: 543
Question
Meet’s father was 31 years old when his sister was born. His mother is 3 years younger than his father. Now Meet is 25 years old and his sister is 4 years older than him. What is the present age of Meet’s mother?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 59 years |
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| b. | 57 years |
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| c. | 60 years |
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| d. | 56 years |
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Question number: 544
Question
In a company, there are 45 % female employees. 40 % of all the male employees are developer. If there 58 % employees are developer out of the total 1800 employees, then the number of female employees who are developer are ________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 648 |
|
| b. | 940 |
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| c. | Can’t be determined |
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| d. | 652 |
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Question number: 545
Question
Rohan has certain amount in his account. He gives two-third of this to his mother and one third of the remaining to his daughter. The amount left with him now is ________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | of the original |
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| b. | of the original |
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| c. | of the original |
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| d. | of the original |
|