# NSTSE (National Science Talent Search Exam- Unified Council) Class 5: Questions 402 - 409 of 1420

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## Question 402

### Question

MCQ▾Which mixed number is equal to ?

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 403

### Question

MCQ▾How many prime numbers are there from 1 to 50?

### Choices

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

a. | 15 | |

b. | 20 | |

c. | 17 | |

d. | 10 |

## Question 404

### Question

MCQ▾The figure given shows 5 numbers. (Model Test Paper)

Which of the 5 numbers are the prime factors of 130?

### Choices

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

a. | 3 and 10 | |

b. | 2 and 3 | |

c. | 2 and 13 | |

d. | 10 and 13 |

## Question 405

### Question

MCQ▾Identify an example for twin primes.

### Choices

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

a. | 11,13 | |

b. | 21,25 | |

c. | ||

d. | 5,9 |

## Question 406

### Question

MCQ▾Which of the following numbers which have no common factor except 1?

### Choices

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

a. | Co-primes | |

b. | Composite numbers | |

c. | Twin primes | |

d. | Question does not provide sufficient data or is vague |

## Question 407

### Question

MCQ▾How many prime numbers are there from 1 to 100?

### Choices

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

a. | 15 | |

b. | 25 | |

c. | 27 | |

d. | 20 |

## Question 408

### Question

MCQ▾Study the numbers given in the box.

Identify the number that is not a divisor of the given numbers.

### Choices

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

a. | 13 | |

b. | 39 | |

c. | 14 | |

d. | 26 |

## Question 409

### Question

MCQ▾Observe the given figures.

What fraction does the shaded part in the figure represent?

### Choices

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

a. | ||

b. | ||

c. | ||

d. |