đŠĩNumber System đŠĩ (P. 63-75) 20 "Serial No","Question","Correct Answer","Wrong Option 1","Wrong Option 2","Wrong Option 3","Explanation" "1","āĻĻুāĻ āĻ āĻ্āĻ āĻŦিāĻļিāώ্āĻ āĻāĻāĻি āϏংāĻ্āϝাāϰ āĻ āĻ্āĻāĻĻ্āĻŦāϝ়েāϰ āϝোāĻāĻĢāϞ āĻāϏংāĻ্āϝাāĻি āĻāϰ āĻ āĻ্āĻāĻĻ্āĻŦāϝ় āϏ্āĻĨাāύāĻŦিāύিāĻŽāϝ় āĻāϰāϞে āϝে āϏংāĻ্āϝা āϤৈāϰি āĻšāϝ় āϤাāϰ āĻĒাāϰ্āĻĨāĻ্āϝেāϰ 1/5 āĻ ংāĻļ।āϏংāĻ্āϝাāĻিāϰ āĻ āĻ্āĻāĻĻ্āĻŦāϝ়েāϰ āĻĒাāϰ্āĻĨāĻ্āϝ āĻāϤ?","āĻ)āĻোāύāĻিāĻ āύāϝ়","āĻ)5","āĻ)7","āĻ)9" "2","If the numerator of a fraction is increased by 400% and the denominator is increased by 500% thr resultant fraction is 20/27.what is the orginal fraction","d)8/9","a)9/8","b)11/12","c)3/4" "3","āĻāĻāĻি āĻāĻ্āύাংāĻļেāϰ āϞāĻŦ āĻ āĻšāϰেāϰ āϝোāĻāĻĢāϞ 11। āϝāĻĻি āϞāĻŦেāϰ āϏাāĻĨে 1 āϝোāĻ āĻāĻŦং āĻšāϰ āĻĨেāĻে 2 āĻŦিāϝ়োāĻ āĻāϰা āĻšāϝ় āϤāĻŦে āĻāĻ্āύাংāĻļāĻি 2/3 āĻšāϝ়। āĻŽুāϞ āĻāĻ্āύাংāĻļāĻি āĻāϤ?","āĻ)3/8","āĻ)5/6","āĻ)6/5","āĻ)8/3" "4","The sum of one - half, one - third and one - forth of a number exceeds the number by 12. The number is-","a)144","b)154","c)90","d)174" "5","āĻĻুāĻ āĻ āĻ্āĻ āĻŦিāĻļিāώ্āĻ āĻāĻāĻি āϧāύাāϤ্āĻŽāĻ āϏংāĻ্āϝাāϰ, āĻāĻāĻ āϏ্āĻĨাāύীāϝ় āĻ āĻ্āĻāĻি āĻĻāĻļāĻ āϏ্āĻĨাāύীāϝ় āĻ āĻ্āĻেāϰ āĻŦāϰ্āĻেāϰ āϏāĻŽাāύ āĻāĻŦাāϰ āϏংāĻ্āϝাāĻি āĻ āϏংāĻ্āϝাāĻিāϰ āĻ āĻ্āĻāĻুāϞো āϏ্āĻĨাāύ āĻĒāϰিāĻŦāϰ্āϤāύ āĻāϰাāϰ āĻĒāϰ āϏংāĻ্āϝাāĻĻ্āĻŦāϝ়েāϰ āĻĒাāϰ্āĻĨāĻ্āϝ 54 āĻšāϞে āĻŽূāϞ āϏংāĻ্āϝাāĻিāϰ 40% āĻāϰ āĻŽাāύ āĻāϤ?","āĻ)15.6","āĻ)24","āĻ)37.2","āĻ)39" "6","20% of the 4/5 of number is 60 Then the number is -","b)375","a)400","c)420","d)540" "7","āĻāĻāĻি āϧāύাāϤ্āĻŽāĻ āĻĒ্āϰāĻৃāϤ āĻāĻ্āύাংāĻļেāϰ āĻŦিāĻĒāϰীāϤ āĻāĻ্āύাংāĻļ āĻ āĻ āĻāĻ্āύাংāĻļāĻিāϰ āĻĒাāϰ্āĻĨāĻ্āϝ 9/20 āĻšāϞে āĻāĻ্āύাংāĻļ āĻি āĻāϤ?","āĻ)4/5","āĻ)3/5","āĻ)5/4","āĻ)3/10" "8","If three times of first of three consecutive odd integers is 3 more than twice the third, what is the third integer?","d)15","a)12","b)13","c)16" "9","āϤিāύ āĻ ংāĻেāϰ āĻāĻāĻি āϏংāĻ্āϝাāϰ āĻāĻāĻ āϏ্āĻĨাāύীāϝ় āĻ āĻ্āĻ āĻāĻŦং āĻļāϤāĻ āϏ্āĻĨাāύীāϝ় āĻ āĻ্āĻ āĻāĻāĻ āĻāĻŦং āϏāĻŦāĻুāϞো āĻ āĻ্āĻেāϰ āϝোāĻāĻĢāϞ 8। āĻāϰāĻāĻŽ āĻāϤāĻুāϞো āϏংāĻ্āϝা āĻāĻে?","āĻ)4","āĻ) 3","āĻ)5","āĻ)6" "10","A boy was asked to multiple a certain number by 25. He multipled it by 52 and got the answer more than the correct one, the number to be multipled was-","a)12","b)15","c)25","d)32" "11","āϝāĻĻি āĻāĻāĻি āĻāĻ্āύাংāĻļেāϰ āϞāĻŦ 2 āĻŦৃāĻĻ্āϧি āĻĒাāϝ় āĻāĻŦং āĻšāϰ 3 āĻŦৃāĻĻ্āϧি āĻĒাāϝ়, āϤāĻŦে āĻāĻ্āύাংāĻļāĻি 7/9 āĻšāϝ় āĻāĻŦাāϰ āϝāĻĻি āϞāĻŦāĻ āĻšāϰ āĻāĻāϝ়āĻ 1 āĻāĻŽে āϝাāϝ় āϤāĻŦে āĻāĻ্āύাংāĻļāĻি 4/5 āĻšāϝ় āĻŽূāϞ āĻāĻ্āύাংāĻļāĻি āĻāϤ?","āĻ)5/6","āĻ)9/11","āĻ)13/16","āĻ)17/21" "12","What are the 3 consecutive positive odd integers such that the product of the first and the third number is 221?","b)13,15,17","a)15,17,19","C)17,19,11","d)5,7,9" "13","āĻāĻāĻি āĻāĻ্āύাংāĻļেāϰ āϞāĻŦ 200% āĻāĻŦং āĻšāϰ 300% āĻŦাāĻĄ়াāύো āĻšāϞে āĻāĻ্āύাংāĻļ āĻি 15/26 āĻšāϝ়। āĻŽূāϞ āĻāĻ্āύাংāĻļāĻি āĻāϤ?","āĻ) āĻোāύāĻিāĻ āύāϝ়","āĻ)8/11","āĻ)10/11","āĻ)9/13" "14","If 60% of 3/5 of a number is 36, then the number is-","C)100","a)86","b)94","d)115" "15","āĻāĻāĻি āĻāĻ্āύাংāĻļেāϰ āϞāĻŦেāϰ āĻĻ্āĻŦিāĻুāĻŖ 10% āĻŦৃāĻĻ্āϧি āĻāĻŦং āĻšāϰেāϰ āϤিāύāĻুāĻŖ 30% āĻš্āϰাāϏ āĻĒাāϝ়, āϤāĻŦে āϤা 16/21 āĻāϰ 11% āĻāϰ āϏāĻŽাāύ āĻšāϝ়। āĻāĻ্āύাংāĻļāĻি āĻŦেāϰ āĻāϰ?","āĻ)2/25","āĻ)3/25","āĻ)4/25","āĻ) āĻোāύāĻিāĻ āύāϝ়" "16","āϝāĻāύ āĻāĻāĻি āĻāĻ্āύাংāĻļেāϰ āϞāĻŦāĻে 4 āĻŦাāĻĄ়াāύো āĻšāϝ় āϤāĻāύ āĻāĻ্āύাংāĻļāĻি 2/3 āĻŦৃāĻĻ্āϧি āĻĒাāϝ়। āĻāĻ্āύাংāĻļāĻিāϰ āĻšāϰ āĻāϤ?","āĻ)6","āĻ)2","āĻ)3","āĻ)4" "17","1/4 of a number is substracted from its 1/3 rd value, the result is 10, the number is-","a)120","b)160","c)140","d)70" "18","āĻāĻāĻোāĻĄ়া āĻāĻ্āύাংāĻļেāϰ āĻŽāϧ্āϝে AāĻāĻ্āύাংāĻļāĻি B āĻāĻ্āύাংāĻļāĻিāϰ āĻĻ্āĻŦিāĻুāĻŖ āĻāĻŦং āĻāĻ্āύাংāĻļ āĻĻুāĻিāϰ āĻুāύāĻĢāϞ 2/25। AāĻāĻ্āύাংāĻļāĻি āĻāϤ?","āĻ)2/5","āĻ)1/5","āĻ)1/25","āĻ)data inadequate" "19","āĻāĻāĻি āĻāĻ্āύাংāĻļেāϰ āĻšāϰ āϞāĻŦ āĻ āĻĒেāĻ্āώা 3 āĻŦেāĻļি āϝāĻĻি āϞāĻŦ āĻāĻŦং āĻšāϰ āĻāĻāϝ়āĻ 4 āĻāϰে āĻŦৃāĻĻ্āϧি āĻāϰা āĻšāϝ় āϤāĻŦে āĻāĻ্āύাংāĻļāĻি 4/5 āĻšāϝ় āϤāĻŦে āĻŽূুāϞ āĻāĻ্āύাংāĻļ āĻি āĻāϤ?","āĻ)8/11","āĻ)5/8","āĻ)10/13","āĻ)7/10" "20","The sum of 5 consecutive even numbers A,B,C,D and E is 130.what is the product of A and E?","C)660","a)720","b)616","d)None"