Aptitude & Logical Reasoning Quiz -15

Pointing to a girl, Mihir said "She is the only daughter of my grandfather’s only child". How is the girl related to Mihir?

Mihir's grandfather's only child means mother or father of Mihir. The girl is only daughter of Mihir's mother or father. Therefore, the girl is sister of Mihir.

In a certain code language 'they have come back' is written as 'na ja sa da' and 'they have gone there' is written as 'da ka pa na'. How is 'come' written in that code language?

they have come back -> na ja sa da
they have gone there -> da ka pa na
The code for 'come' is 'ja' or 'sa'.

The average age of Nitika and Kruti is 21 years. The ratio of their ages is 4:3 respectively. What is Kruti's present age?

Let the present age of Nitika be 4x years and that of Kruti be 3x years.
Therefore, 4x + 3x = 21 * 2
=> 7x = 42
=> x = 42/7 = 6
Therefore Kruti's present age = 3x = 3 * 6 = 18 years

The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What is the weight of the new person?

Total increase in weight = 8 × 2.5 = 20
If x is the weight of the new person, total increase in weight = x−65
=> 20 = x - 65
=> x = 20 + 65 = 85

Today is Thursday. The day after 59 days will be?

59 days = 8 weeks 3 days = 3 odd days
Hence if today is Thursday, After 59 days, it will be = (Thursday + 3 odd days)
= Sunday


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