# NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 11 - 18 of 1732

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## Question number: 11

» Mathematics » Fractions and Decimals

### Question

The product of a fractional number and its multiplicative inverse is

### Choices

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

a. | 0 | |

b. | 1 | |

c. | Number itself | |

d. | None of the above |

## Question number: 12

» Mathematics » Simple Equations

### Question

8 is added to a number and the sum is multiplied by 2. If 13 is subtracted from the product and the difference is divided by 3, the result is equal to 36. Find the number.

### Choices

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

a. | 31 | |

b. | 39 | |

c. | 35 | |

d. | 45 |

## Question number: 13

» Mathematics » Simple Equations

### Question

Two sums of money are in the ratio 5: 7. If the second sum is Rs. 56, then first sum is

### Choices

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

a. | 42 Rs. | |

b. | 50 Rs. | |

c. | 40 Rs. | |

d. | 35 Rs. |

## Question number: 14

» Mathematics » Simple Equations

### Question

The solution of is

### Choices

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

a. | 23 | |

b. | - 57 | |

c. | - 65 | |

d. | 2 |

## Question number: 15

» Mathematics » Simple Equations

### Question

The average of 12,13,14,15 and x is 14. The value of x is

### Choices

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

a. | 17 | |

b. | 13 | |

c. | 16 | |

d. | 15 |

## Question number: 16

» Mathematics » Fractions and Decimals

### Question

Fractions which have a common denominator are called ________ fractions.

### Choices

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

a. | Improper | |

b. | Unlike | |

c. | Proper | |

d. | Like |

## Question number: 17

» Mathematics » Simple Equations

### Question

A student has to secure 30 % marks to pass. He got 120 marks and failed by 60 marks. Find the maximum marks.

### Choices

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

a. | 500 | |

b. | 350 | |

c. | 650 | |

d. | 600 |

## Question number: 18

» Mathematics » Fractions and Decimals

### Question

is

### Choices

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

a. | 45.6 | |

b. | 4.56 | |

c. | 0.00456 | |

d. | 456 |