Math 6

বীজগণিত :- লগারিদম:(পৃষ্ঠা নং৬৭৪-৬৮৮)

Serial No,Question,Correct Answer,Wrong Option 1,Wrong Option 2,Wrong Option 3,Explanation
1,"lnx এর ক্ষেত্রে নিচের কোনটি সঠিক?","x>0","x_>0","x<0","x_<0",""
2,"3log2+log5=??","log40","log20","log60","log12",""
3,"log₂64+log₂8 এর মান কত??","9","128","7","2",""
4,"5log3-log9=কত??","log27","log8","log3","log4",""
5,"log₃9= কত??","2","b-7","5","3",""
6,"32এর 2 ভিত্তিক লগারিদম কত??","5","7","-7","3",""
7,"log√3 81 এর মান কত??","8","6","5","4",""
8,"log√6 216","6","8","10","16",""
9,"যদি log (x+2)=logx+ log 2 হয়,তাহলে x=","2","3","4","5",""
10,"log₁₀x=3 হলে x-এর মান কত??","1000","1002","1004","10000",""
11,"log₅x=3 হলে x= কত??","125","225","375","120",""
12,"log2+log4+ log8+......ধারাটির প্রথম ১০ টি পদের সমষ্টি কত??","55 log 2","45 log11","36 log 11","66 log 11",""
13,"যদি logₙ2= a এবং logₙ5= b হয়,তাহলে logₙ50=?","a+2b","a+b","a+b2","ab2",""
14,"logₐb× logbₐ=কত??","1","ab","a+b","2",""
15,"log₂√₅ 400= x হলে x এর মান কত??","4","7","5","3",""
16,"logₓ9=2 হলে x এর মান কত??","3","3√3","√3","2",""

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