Lets discuss problems and strategies related to GMAT / CAT / MBA quantitative ability here.
last two non-zero digit
- This topic has 1 reply, 1 voice, and was last updated 13 years, 2 months ago by .
- You must be logged in to reply to this topic.
A complete study circle (UPSC / IAS / MBA / CAT)
Lets discuss problems and strategies related to GMAT / CAT / MBA quantitative ability here.
Q3. What are the last two non-zero digits of 36! − 24!?
a) 08 b) 36 c) 64 d) 88 e) none of these
asked by Mansi Goel
yeah acc to options it shud be 64 !! going by last 2-digits will be very lengthy
see 36! have 8 zeros and 24! will have 4
so wen we subtract fr last 2 non zerodigit we’ll have
xxx00- last 2 non zero digit of 24!
now last non zerodigit of 24! is 6
so ans has to be in form of x4 using options 64!! (but yeah risky!! as none of dese is dere) u cn find last two digits also bt a bit lengthy
answer by Yatish Jain
in your email inbox.
Thank you for subscribing.
Something went wrong.
Powered with Feedburner
No Spam Guaranteed
Articles / MBA / Number System / QA
Number System : Arithmetic operations on Fractions
October 1, 2020
Articles / Civil Services / MBA / QA
[CSAT][CAT] Basic Numeracy – Percentages (Tips & Tricks) – 1
November 30, 2014