কোন সংখ্যার বর্গমূলের সাথে ৪ যোগ করলে ৫ এর বর্গ হবে?

কোন সংখ্যার বর্গমূলের সাথে ৪ যোগ করলে ৫ এর বর্গ হবে? ?

Created: 1 year ago | Updated: 1 week ago | Created By:

Rubel miah

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Institution: পিএসসি ও অন্যান্য নিয়োগ পরীক্ষা (PSC & OTHERS) Exam: কারিগরি শিক্ষা অধিদপ্তর ।। ইন্সট্রাক্টর (13-05-2023) || 2023
Topic: Mathematics (সাধারণ গণিত) Subject: Mathematics (সাধারণ গণিত)

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Two circular dials of exactly the same size are mounted on a wall side by side in such a way that their perimeters touch at one point. Dial 1, which is on the left , spins clockwise around its center , and dial 2 , which is on the right spins counter clockwise around its center . (Assume that there is no friction at the point of contact between the dials.) Each dial is marked on its perimeter at three points that are at equale distances around the points arked ondial 1 are N, O, and P and the points marked on dial 2 are X, Y, and Z. If points O and Z are just meeting at the point of contact between the dials , and if dial 1 spins at the same speed as dial 2, what is the smallest number of revolutions of each dial that will bring O and Z together again?

If points N and Y are just meeting at the point of contact between the dials and if dial spins at the same speed as dial 2, which of the following pairs of points will also meet in the course of the next full revolution of the dials?

কোন সংখ্যার বর্গমূলের সাথে ৪ যোগ করলে ৫ এর বর্গ হবে? ?

If points N and Y are just meeting at the point of contact between the dials and if dial spins at the same speed as dial 2, which of the following pairs of points will also meet in the course of the next full revolution of the dials?

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