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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!

64:100::72:?

fifty college teacher are surveyed as to their possessions to their color tv

https://cracku.in/148-if-abhi-travels-a-certain-distance-at-6-kmh-he-rea-x-ssc-cpo-13th-dec-2019-shift-2#:~:text=Question%20148-,If%20Abhi%20travels%20a%20certain%20distance%20at%206%20km%2Fh,.......&text=(%20%E2%88%B5%20%5Cbecause%20%E2%88%B5%20he%20reaches,early%20and%2010%20min%20late.)

I am getting error submitting your answers after my sectional time is over for the mock any idea why this is happening?

The sum of LCM and HCF of two numbers is 8 times their sum. How many such pairs are possible?

What are your reviews about Cracku mock test and VARC Sectional tests ? Are they good to invest in?

I have found a lot of questions in previous Cat papers from your website in which the data was wrong. Please rectify else delete them coz they only cause headache for the students.

यदि मै ₹100 में 11 पुस्तकें खरीदता हूं और 10 पुस्तकें ₹ 110 में बेच देता हूं, तो मुझे प्रत्येक पर कितने प्रतिशत लाभ होगा ?