# Mathematics-Percentage (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 7 - 12 of 18

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## Question number: 7

» Mathematics » Percentage

### Question

A student obtains 75%, 80 % and 85 % marks in three subjects. If the marks of any other subject are added, then their average cannot be less than

### Choices

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

a. | 60% | |

b. | 65% | |

c. | 70% | |

d. | 80% |

## Question number: 8

» Mathematics » Percentage

### Question

At what price must Sarita sell a mixture of 80 kg sugar at Rs. 6.75 per kg with 120 kg at Rs. 8 per kg to gain 20%?

### Choices

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

a. | Rs. 9 per kg | |

b. | Rs. 8.20 per kg | |

c. | Rs. 8.85 per kg | |

d. | Rs. 7.50 per kg |

## Question number: 9

» Mathematics » Percentage

### Question

140 L of a liquid contains 90 % of acid and the rest water. How much water must be added to make the water 12.5 % of the resulting mixture?

### Choices

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

a. | 10L | |

b. | 4L | |

c. | 12L | |

d. | 3.5L |

## Question number: 10

» Mathematics » Percentage

### Question

1 L of water is evaporated from 6 L of a solution having 4 % of sugar. The percentage of sugar in the remaining solution is

### Choices

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

a. | 4/5% | |

b. |
| |

c. | 4% | |

d. | 5% |

## Question number: 11

» Mathematics » Percentage

### Question

An agent buys a TV set listed at Rs. 10000 and gets 10 % and 20 % successive discount. He spends 10 % of CP on transport. At what price (in Rs. ) should he sell TV set to earn a profit of 10%?

### Choices

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

a. | 8692 | |

b. | 8699 | |

c. | 8712 | |

d. | 8700 |

## Question number: 12

» Mathematics » Percentage

### Question

An employee is required to contribute 10 % of his pay to general provident fund. If he gets Rs. 13500 as net pay in a month, then what is the monthly general provident fund contribution (assuming no other deductions)?

### Choices

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

a. | Rs. 1650 | |

b. | Rs. 1350 | |

c. | Rs. 1215 | |

d. | Rs. 1500 |