# BITSAT (Birla Institute of Technology & Science Admission Test) Mathematics: Questions 229 - 239 of 390

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## Question 229

### Question

MCQ▾has an inverse if its domain is –

### Choices

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

a. | ||

b. | ||

c. | ||

d. | All of the above |

## Question 230

### Question

MCQ▾Which of the following is true?

### Choices

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

a. | Domain of is | |

b. | Range of is | |

c. | Range of is | |

d. | Range of is |

## Question 231

### Question

MCQ▾is a function defined by . If , then

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 232

### Question

MCQ▾If , then is equal –

### Choices

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

a. | 1 | |

b. | 2 | |

c. | 0 | |

d. | None of the above |

## Question 233

### Question

MCQ▾If the area of the triangle formed by points , and is 50 square units, then|z| is –

### Choices

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

a. | 5 | |

b. | 10 | |

c. | 15 | |

d. | All of the above |

## Question 234

### Question

MCQ▾is equal to –

### Choices

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

a. | 0 | |

b. | 1 | |

c. | ||

d. | All of the above |

## Question 235

### Question

MCQ▾The number of vectors of unit length perpendicular to vectors and , is –

### Choices

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

a. | Two | |

b. | Infinite | |

c. | Three | |

d. | One |

## Question 236

### Question

MCQ▾is equal to –

### Choices

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

a. | ||

b. | ||

c. | ||

d. | None of the above |

## Question 237

### Question

MCQ▾The distance of the point from the – plane is –

### Choices

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

a. | y | |

b. | ||

c. | ||

d. | z |

## Question 238

### Question

MCQ▾The number of surjections from , onto is –

### Choices

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

a. | ||

b. | ||

c. | ||

d. | None of the above |

## Question 239

### Question

MCQ▾The number of terms which are free from radical signs in expansion is –

### Choices

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

a. | 7 | |

b. | 6 | |

c. | 5 | |

d. | All of the above |