# Mathematics [NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension]: Questions 1 - 5 of 223

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## Question 1

### Question MCQ▾

The mid value of a class interval is 42. If the class size is 10, then the upper and lower limits of the class are

### Choices

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

a. | 47 and 37 | |

b. | 47.5 and 37.5 | |

c. | 37 and 47 | |

d. | 37.5 and 47.5 |

## Question 2

### Question MCQ▾

A man runs upstream 13 km and downstream 28 km taking 5 h time for each side. Then, the velocity of the current is

### Choices

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

a. | 1.5 km/h | |

b. | 2.5 km/h | |

c. | 2 km/h | |

d. | All of the above |

## Question 3

### Question MCQ▾

If x + 5: 3x + 4 is the duplicate ratio of 5: 8, then the value of x is

### Choices

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

a. | 16 | |

b. | 18 | |

c. | 20 | |

d. | 22 |

## Question 4

### Question MCQ▾

If ABCD is a quadrilateral whose diagonals AC and BD intersects at O, then which of the given option is correct?

### Choices

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

a. | (AB + BC + CD + DA) < (AC + BD) | |

b. | (AB + BC + CD + DA) = 2 (AC + BD) | |

c. | (AB + BC + CD + DA) > (AC + BD) | |

d. | (AB + BC + CD + DA) < 2 (AC + BD) |

## Question 5

### Question MCQ▾

Two planes start from a city and fly in opposite directions, one averaging a speed of 40 km/h greater than the others. If they are 3400 km apart after 5 h, the average speeds, respectively are

### Choices

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

a. | 250,290 km/h | |

b. | 330,370 km/h | |

c. | 300,340 km/h | |

d. | 320,360 km/h |