# NSTSE (National Science Talent Search Exam- Unified Council) Class 5: Questions 638 - 646 of 1420

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## Question 638

### Question

MCQ▾Khusal bought a pencil for ₹ 6 and sold it to Manali for ₹ 12. What is his gain percentage?

### Choices

Choice (4) | Response | |
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a. | ||

b. | ||

c. | ||

d. |

## Question 639

### Question

MCQ▾What is the length of a ribbon which is if 300 m? (Model Test Paper)

### Choices

Choice (4) | Response | |
---|---|---|

a. | 207 m | |

b. | 27 m | |

c. | 270 m | |

d. | 272 m |

## Question 640

## Question 641

### Question

MCQ▾If 6 squares out of 32 are coloured on a board, what is the percentage of coloured squares?

### Choices

Choice (4) | Response | |
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a. | ||

b. | ||

c. | ||

d. |

## Question 642

### Question

MCQ▾If of ₹ 60 is spent, find the remaining amount. (Model Test Paper)

### Choices

Choice (4) | Response | |
---|---|---|

a. | ₹ 18 | |

b. | ₹ 30 | |

c. | ₹ 42 | |

d. | ₹ 36 |

## Question 643

### Question

MCQ▾What is the missing number?

### Choices

Choice (4) | Response | |
---|---|---|

a. | 7.09 | |

b. | 79 | |

c. | 7.9 | |

d. | 0.79 |

## Question 644

### Question

MCQ▾In a class there are 60 boys and 40 girls. What is the ration of number of boys to number of girls in the class?

### Choices

Choice (4) | Response | |
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a. | ||

b. | ||

c. | ||

d. |

### Passage

There are 16 pink balloons and 10 white ones in a bottle.

## Question 645 (1 of 4 Based on Passage)

### Question

MCQ▾What is the decimal equivalent of percentage of white balloons?

### Choices

Choice (4) | Response | |
---|---|---|

a. | 0.8436 | |

b. | 0.3846 | |

c. | 0.4386 | |

d. | 0.6843 |

## Question 646 (2 of 4 Based on Passage)

### Question

MCQ▾What is the ratio of number of white balloons to the total number of balloons?

### Choices

Choice (4) | Response | |
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a. | ||

b. | ||

c. | ||

d. |