# NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 39 - 48 of 1732

Access detailed explanations (illustrated with images and videos) to **1732** questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. *Unlimited Access, Unlimited Time, on Unlimited Devices*!

View Sample Explanation or View Features.

Rs. 500.00 -OR-

How to register? Already Subscribed?

## Question 39

### Question

MCQ▾The ratio between two numbers is 5: 3. If each number is increased by 5, the ratio becomes 3: 2. Find the numbers.

### Choices

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

a. | 25,15 | |

b. | 30,15 | |

c. | 25,20 | |

d. | 30,20 |

## Question 40

### Question

MCQ▾The ratio of the least prime number to the least composite number is

### Choices

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

a. | 1: 3 | |

b. | 1: 4 | |

c. | 1: 2 | |

d. | 2: 3 |

## Question 41

### Question

MCQ▾The ratio between two numbers is 9: 5. If each number is increased by 10, the ratio becomes 7: 4. Find the numbers.

### Choices

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

a. | 250,120 | |

b. | 320,210 | |

c. | 305,105 | |

d. | 270,150 |

## Question 42

### Question

MCQ▾Example of an improper fraction is

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 43

### Question

MCQ▾Sum of 1.5,12.6,56.198 is

### Choices

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

a. | 702.98 | |

b. | 70.298 | |

c. | 7029.8 | |

d. | 7.0298 |

## Question 44

## Question 45

### Question

MCQ▾Difference of and is

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 46

### Question

MCQ▾The length and width of a tape are 3 m and 27 cm. Write their ratio.

### Choices

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

a. | 10: 9 | |

b. | 100: 9 | |

c. | 9: 10 | |

d. | 9: 100 |

## Question 47

### Question

MCQ▾of 49 km = ________ m.

### Choices

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

a. | 700 | |

b. | 70 | |

c. | 7 | |

d. | 7000 |

## Question 48

### Question

MCQ▾The present age of A is thrice that of B. 20 years from now, age of A will be times of B. Find the present ages of A and B respectively.

### Choices

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

a. | 40,120 | |

b. | 80,60 | |

c. | 60,80 | |

d. | 120,40 |