# Aptitude [TCS Placement]: Sample Questions 55 - 57 of 174

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## Question 55

### Write in Short

Short Answer▾A car travels 12 km with a 4/ 5^{th} filled tank. How far will the car travel with 1/3 filled tank?

### Explanation

- Car can travel 12 km when its tank is 4/5
^{th}filled. - We can write the same thing like,
- When 4/5
^{th}tank is filled car can travel 12 km. - Then when 1/3
^{rd}tank is filled how far car can travel (?)

=

=

=

- Car can travel 5 km when its tank is 1/3
^{rd}filled.

## Question 56

### Question

MCQ▾A play school has chocolates which can supply 50 students for 30 days. For the first ten days only 20 students were present. How many more students can be accommodated into the earlier group such that the entire chocolates get consumed in 30 days? Assume each student takes the same number of chocolates.

### Choices

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

a. | 70 |

b. | 55 |

c. | 60 |

d. | 45 |

### Answer

d.### Explanation

- Play school is having chocolates for 50 students for 30 days. So, total chocolates
- For first 10 days only 20 students were present, then total chocolates consumed
- Now there are a chocolate, which needs to be consumed in 20 days. So for each day chocolates can be distributed.
- So we can add students.

## Question 57

### Write in Short

Short Answer▾Radha and Usha together can complete the work. If Radha alone will do then she will take 8 hours more than time taken by them and if Usha alone will do the same work then she will take 4.5 hours more time than time by them. In how much time Usha alone can complete the work?

### Explanation

Let Radha and Usha together take x hours to complete the work.

Radha alone takes hours to complete the same work.

Usha alone takes hours to complete the same work.

Usha alone will take hours to complete the work.