# Mathematics-Number Systems (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 4 of 4

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## Question number: 1

» Mathematics » Number Systems

### Question

Consider the following statements

I. If x and y are composite integers, so also is x + y.

II. If x and y are composite integers and x > y, then x - y is also a composite integer.

III. If x and y are composite integers, so also in xy. Of the above, the correct statement (s) is/are

### Choices

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

a. | I and II | |

b. | Only III | |

c. | All the three | |

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

## Question number: 2

» Mathematics » Number Systems

### Question

If a is an odd integer, then the number is divisible by

### Choices

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

a. | 32 | |

b. | 24 | |

c. | 16 | |

d. | 8 |

## Question number: 3

» Mathematics » Number Systems

### Question

The place value of 8 in the numeral 6437842 is

### Choices

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

a. | 8000 | |

b. | 80 | |

c. | 800 | |

d. | All of the above |

## Question number: 4

» Mathematics » Number Systems

### Question

A three-digit number has digits h, t and *u * (from left to right) with h > *u. *If the digits are reversed and the number thus formed is subtracted from the original number, the unit’s digit in the resulting number is 4. What are the other two digits of the resulting number from left to right?

### Choices

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

a. | 5 and 9 | |

b. | 5 and 4 | |

c. | 9 and 5 | |

d. | 4and 5 |