Logical Series

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.




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How many times can you subtract the number 5 from 25?

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Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

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In the Mexico City area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
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Complete the table Sequence

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You have $100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire $100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:

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Yellow Balls costing $3
Black Balls costing $0.10

Now, how many of each must you buy to fulfil the condition given?

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