# Basic Mathematics-Arithmetic (KVPY Stream-SA (Class 11) Math): Questions 55 - 59 of 77

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## Question number: 55

» Basic Mathematics » Arithmetic » Rates, Speeds and Unitary Method

### Question

Two workers A and B are engaged to do a piece of work. Working alone, A takes 12 hours more to complete the work than if both worked together. On the other hand, working alone, B would need 3 hours more to complete the work than if both worked together. How much time would they take to complete the job working together?

### Choices

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

a. |
| |

b. | 9 hr | |

c. | 8 hr | |

d. | 6 hr |

## Question number: 56

» Basic Mathematics » Arithmetic » Ratio and Proportion

### Question

I carried 500 kg of watermelon in summer by train. In the beginning, the water content was 95%. By the time I reached the destination, the water content had dropped to 92%. The reduction in the weight of the watermelon was-

### Choices

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

a. | 312.5 | |

b. | 150.5 | |

c. | 163 | |

d. | 187.5 |

## Question number: 57

» Basic Mathematics » Arithmetic » Simplifying Expressions

### Question

If *x* is real, the value of will not be less than,

### Choices

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

a. | 5 | |

b. | 8 | |

c. | 7 | |

d. | 6 |

## Question number: 58

» Basic Mathematics » Arithmetic » Rates, Speeds and Unitary Method

### Question

12 women can complete a work in 5 days and 12 children take 10 days to complete a work. How many days will 3 women and 6 children take to complete the work?

### Choices

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

a. | 12 | |

b. | 8 | |

c. | 9 | |

d. | 10 |

## Question number: 59

» Basic Mathematics » Arithmetic » Simplifying Expressions

### Question

If α is the root of then other root β is –

### Choices

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

a. |
| |

b. |
| |

c. |
| |

d. | All a. , b. and c. are correct |