# NRA CGL (National Recruitment Agency-Combined Graduate Level) Mathematics: Questions 67 - 76 of 425

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## Question number: 67

» Geometry

### Question

If the length of rectangle is increased in the ratio 6: 7 and its breadth is diminished in the ratio 5: 4 then its area will be diminished in the ratio

### Choices

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

a. | 8: 7 | |

b. | 9: 8 | |

c. | 15: 14 | |

d. | 17: 16 |

## Question number: 68

### Question

A policeman, while arranging the people, who were 4000 in number, in the form of a square, found that there were 31 people left over. How many were arranged in each row?

### Choices

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

a. | 63 | |

b. | 92 | |

c. | 56 | |

d. | 87 |

## Question number: 69

» Surds

### Question

The square root of

### Choices

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

a. | 2 | |

b. | 25 | |

c. | 5 | |

d. | 4 |

## Question number: 70

» Algebra

### Question

If , then the value of is

### Choices

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

a. | ||

b. |
| |

c. |
| |

d. |

## Question number: 71

### Question

Find the missing number for below series

### Choices

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

a. | 356 | |

b. | 185 | |

c. | 82 | |

d. | 584 |

## Question number: 72

» Algebra

### Question

then is equal to

### Choices

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

a. | 1 | |

b. | 3 | |

c. | 0 | |

d. | 2 |

## Question number: 73

### Question

Calculate the sum of the series

### Choices

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

a. | 8.245991 | |

b. | 7.04811971 | |

c. | 6.74897119 | |

d. | All of the above |

## Question number: 74

### Question

Find the missing number for below series

122,62,32, ? , 9.5,5.75

### Choices

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

a. | 19 | |

b. | 20.25 | |

c. | 17 | |

d. | 24 |

## Question number: 75

» Algebra

### Question

then is equal to

### Choices

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

a. | ||

b. |
| |

c. | 0 | |

d. | 16 |

## Question number: 76

### Question

A General, while arranging his men, who were 6000 in number, in the form of a square, found that there were 71 men left over. How many were arranged in each row?

### Choices

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

a. | 73 | |

b. | 77 | |

c. | 87 | |

d. | 93 |