Maths Reasoning PDF notes Gagan Pratap Abhinay Sharma Rakesh yadav Gopal SSC CGL CHSL RAILWAY NTPC
February 19, 2025 at 02:46 PM
By Ratio Method
10℅=1/10
10:11=×11
110:121
100:121
210:242
210 part=8400
121part=8400/210×121
=4840
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