Mental Ability (NCO- Cyber Olympiad Class 7): Questions 108 - 114 of 205
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Question number: 108
» Mental Ability » Number Games
Question
The product of two numbers is 100 and the sum of their squares is 250. The sum of the number is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 23 |
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| b. | 21.21 |
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| c. | 169 |
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| d. | All of the above |
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Question number: 109
» Mental Ability » Basic Arithmetic
Question
Which of the following can be the exact multiple of 3?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 28 |
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| b. | 17 |
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| c. | 63 |
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| d. | 13 |
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Question number: 110
» Mental Ability » Basic Arithmetic
Question
Find the value of from the equation
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 15.5 |
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| b. | 12 |
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| c. | 13.3 |
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| d. | 14 |
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Question number: 111
» Mental Ability » Basic Arithmetic
Question
A shopkeeper declares a sale of computer books, giving 25 % discount. If the net sale price of a book is rupees 714, what is its market price?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 500 Rs |
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| b. | 550 Rs |
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| c. | 952 Rs |
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| d. | 1008 Rs |
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Question number: 112
» Mental Ability » Basic Arithmetic
Question
The present ages of three persons in proportions 3: 6: 9. Eight years ago, the sum of their ages was 66. Find their present ages (in years).
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 16, 28, 26 |
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| b. | 8, 20, 28 |
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| c. | 15, 30, 45 |
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| d. | None of the above |
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Question number: 113
» Mental Ability » Basic Arithmetic
Question
A shopkeeper declares a sale of sarees, giving 20 % discount. If the net sale price of a saree is rupees 1000, what is its market price?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 500 Rs. |
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| b. | 952 Rs |
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| c. | 550 Rs. |
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| d. | 1120 Rs |
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Question number: 114
» Mental Ability » Basic Arithmetic
Question
The product of two numbers is . If one of the number is , fined the other.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |
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| b. |
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| c. |
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| d. |
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