# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 742 - 749 of 1484

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## Question 742

### Question

MCQ▾, AB: DE = 4: 3 and perimeter of is 8 cm. Then the perimeter of is

### Choices

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

a. | 6 cm | |

b. | 8 cm | |

c. | 5 cm | |

d. | 3 cm |

## Question 743

### Question

MCQ▾If is a positive integer and the roots of the equation are rational numbers, then the smallest value of is:

### Choices

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

a. | 2 | |

b. | 6 | |

c. | 1 | |

d. | 4 |

## Question 744

### Question

MCQ▾In the figure and B is the midpoint of AC. CD intersects BE at x. Then = ________.

### Choices

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

a. | ||

b. | 2BE | |

c. | ||

d. |

## Question 745

### Question

MCQ▾The A. M of 5, 7, 13,16, 9 is

### Choices

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

a. | 9 | |

b. | 16 | |

c. | 13 | |

d. | 10 |

## Question 746

## Question 747

### Question

MCQ▾If the sum of the roots of the quadratic equation is equal to the product of the roots, then the value of ‘k’ is

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 748

### Question

MCQ▾A bag contains 3 black ink pot and 9 green ink pot. If an ink pot is drawn at random, the probability that he drawn a green ink is

### Choices

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

a. | ||

b. | ||

c. | 1 | |

d. |

## Question 749

### Question

MCQ▾The value of is ________

### Choices

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

a. | 1 | |

b. | -1 | |

c. | 0 | |

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