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if the sum of first n term of 100 and sum of next first n term of 300 then find the ratio of first term and common difference.

how to prepare for banking exam. Which topic which i should study first in quant

Hi Team,
I was looking for video lesson on Percentages and was unable to find it.
Can you please help me with that?

Can anyone tell me what did we learn in the mathematics yesterday. This sentence has a grammatical error . What is error and with explaination.

Can anyone tellme what did you learn in the mathematics yesterday. This sentence has a grammatical error ...please explain what is the error and with explaination

is there any cracku whatsapp group?

My internet connection is stable, speed is also decent. Still I am unable to watch concept videos. Till yesterday it was opening. What to do now? Team please look into the matter!

Best way to prepare for GS

4,3,23,35,45_
4,75,136,186,224

64:100::72:?