Study the following table and answer question. Number of students appeared in an examination from five cities: Cities No. of Students (in thousands) Ratio of students passed and failed A 54 5 ∶ 04 B 126 4 ∶ 03 C 84 10 ∶ 11 D 96 9 ∶ 07 E 132 6 ∶ 05 The number of cities in which passing percentage of students is below 50% is:
Created: 01 Mar 2026 |
Updated: 12 May 2026
Updated: 12 May 2026
Explanation:
Given: Total number of students in city A = 54 ⇒ Total number of students in city B = 126 ⇒ Total number of students in city C = 84 ⇒ Total number of students in city D = 96 ⇒ Total number of students in city E = 132 Ratio of students Passed and Failed in city A = 5 : 4 = 5 + 4 = 9 ⇒ Ratio of students Passed and Failed in city B = 4 : 3 = 4 + 3 = 7 ⇒ Ratio of students Passed and Failed in city C = 10 : 11 = 10 + 11 = 21 ⇒ Ratio of students Passed and Failed in city D = 9 : 7 = 9 + 7 = 16 ⇒ Ratio of students Passed and Failed in city E = 6 : 5 = 6 + 5 = 11 Percentage of passed students in city A = (5/9) × 100 = 55.55% Percentage of passed students in city B = (4/7) × 100 = 57.14% Percentage of passed students in city C = (10/21) × 100 = 47.61% Percentage of passed students in city D = (9/16) × 100 = 56.25% Percentage of passed students in city E = (6/11) × 100 = 54.54% ∴ in city C the percentage of passed students in less than 50%
বাংলা সাহিত্য ও ব্যাকরণ হলো বাংলা ভাষার দুটি অবিচ্ছেদ্য অঙ্গ। বাংলা সাহিত্য হলো বাংলা ভাষায় রচিত কবিতা, উপন্যাস, নাটক, গল্পসহ সৃজনশীল ও মননশীল রচনার সমষ্টি, যার সূচনা দশম শতাব্দীতে 'চর্যাপদ' এর মাধ্যমে। অন্যদিকে, বাংলা ব্যাকরণ হলো এমন একটি শাস্ত্র বা বিজ্ঞান, যা বাংলা ভাষার গঠন, প্রকৃতি, ধ্বনি, শব্দ ও বাক্যের নিয়ম-কানুন বিশ্লেষণ করে ভাষার শুদ্ধ রূপ ও প্রয়োগ শেখায়।
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