# NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 551 - 558 of 2028

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## Question number: 551

» Mathematics » Exponents and Powers

### Question

The value of

### Choices

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

a. |
| |

b. |
| |

c. | 6 | |

d. | All of the above |

## Question number: 552

» Mathematics » Direct and Inverse Proportions

### Question

The price of 279 mangoes is Rs. 1185.75. What will be the approximate price of 28 dozens of such mangoes?

### Choices

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

a. | 1512 Rs. | |

b. | 1428 Rs. | |

c. | 2436 Rs. | |

d. | 2371.5 Rs. |

## Question number: 553

» Mathematics » Direct and Inverse Proportions

### Question

If the price of 12 watches is Rs. 2707.2, what will be the approximate price of 9 watches?

### Choices

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

a. | 2352 | |

b. | 2000 | |

c. | 1895 | |

d. | 2030 |

## Question number: 554

» Mathematics » Comparing Quantities

### Question

A merchant buys a 50 liter cask of wine for Rs. 8250 and sells it at Rs. 185 per liter. His loss or gain percent is:

### Choices

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

a. | % gain | |

b. | 12 % loss | |

c. | % loss | |

d. | % gain |

## Question number: 555

» Mathematics » Algebraic Expressions and Identities

### Question

The value of at and is:

### Choices

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

a. | 3 | |

b. | 18 | |

c. | 26 | |

d. | 43 |

## Question number: 556

» Mathematics » Direct and Inverse Proportions

### Question

On a scale of map, 0.5 cm represents 5.5 km. If the distance between the points on the map is 70.5 cm, the actual distance between these points is:

### Choices

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

a. | 180.75 km | |

b. | 10 km | |

c. | 775.5 km | |

d. | 62.5 km |

## Question number: 557

» Mathematics » Algebraic Expressions and Identities

### Question

The product of two factors with like signs is ________.

### Choices

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

a. | Cannot be determined | |

b. | Positive | |

c. | Negative | |

d. | None of the above |

## Question number: 558

### Question

The dimensions of a room are 20 m, 15 m and 10 m. If each person requires 150 cubic meters, then the numbers of persons who can be accommodated in the room are:

### Choices

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

a. | 20 | |

b. | 30 | |

c. | 25 | |

d. | 35 |