# Mathematics-Number Systems (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 7 of 7

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## Question number: 1

» Mathematics » Number Systems

### Question

Zero is

### Choices

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

a. | a natural number | |

b. | a positive number | |

c. | a whole number | |

d. | a negative integer |

## Question number: 2

» Mathematics » Number Systems

### Question

Zero is

### Choices

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

a. | a whole number | |

b. | a negative integer | |

c. | a natural number | |

d. | a positive number |

## Question number: 3

» Mathematics » Number Systems

### Question

The product of two numbers is 24 times the difference of these two numbers. If the sum of these numbers is 14, the large number is

### Choices

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

a. | 6 | |

b. | 8 | |

c. | 10 | |

d. | 5 |

## Question number: 4

» Mathematics » Number Systems

### Question

The sum of any three distinct natural numbers arranged in ascending order is 200 such that the second number is a perfect cube. How many possible values are there for this number?

### Choices

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

a. | 4 | |

b. | 2 | |

c. | 3 | |

d. | 1 |

## Question number: 5

» Mathematics » Number Systems

### Question

If the digits of a three-digit number are reversed, then the number, so obtained is less than the original number by 297. If the sum of the digits of the number is 8 and its hundred’s digit has the largest possible value, then the ten’s digit of the number is

### Choices

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

a. | 0 | |

b. | 1 | |

c. | 2 | |

d. | 3 |

## Question number: 6

» Mathematics » Number Systems

### Question

If the sum of three consecutive odd numbers is a perfect square between 200 and 400, then the root of this sum is

### Choices

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

a. | 16 | |

b. | 15 | |

c. | 18 | |

d. | 19 |

## Question number: 7

» Mathematics » Number Systems

### Question

If aabb is a four-digit number and also a perfect square, then the value of a + b is

### Choices

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

a. | 9 | |

b. | 10 | |

c. | 12 | |

d. | 11 |