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mah cet mocks or practice tests?

what is the highest number of 12 in 100!?                                 

In this question 12=2^2*3

Should I find highest number of 4 in 100! or 2 in 100! and then divide by 2 further?

I'm only confused about how to calculate the highest no of 4 in 100!

1. The painting of a hotel can be done by 10 painters in 5 days. But, in reality there were few dabblers in the group of 10 painters and therefore the work took a little over 6 days for completion. A painter worked twice as fast as the dabbler and used 25% less paint than a dabbler used. If 5 litres extra paint was used than expected, then the total paint used in painting the hotel was (in litres)

2. A, B and C can do a work together in a certain number of days. If A leaves after half the work is done, then the work takes 4 more days for completion, but if B leaves after half the work is done, the work takes 5 more days for completion. If A takes 10 more days than B to do the work alone, then in how many days can C alone do the work?

SBI PO 2017 Parajumble

Where can I report wrong questions because I find some of your solutions wrong. Especially in English and Reasoning section.

tell me any book or video series where i can refer shortcut tricks for quantitative aptitude for sbi po

how to  attempt 55+ in sbi po prelims

sir can u please tell me....how to solve new method of coding and decoding

The explantion in the solution is bit nebulous. Can someone explain me in a more lucid way