এই ভিডিওতে ডব্লিউবিসিএস ২০২৩ এর মেন্স পেপার 4 এ আসা, সমস্ত বীজগণিতের অংক গুলি সমাধান করা আছে মোট ১৭ টা কোশ্চেন বীজগণিত থেকে এসেছিল সেগুলো সব কয়টা এখানে ডিটেলসে বোঝানো আছে। কোশ্চেনগুলো হল, Q9. In an examination, 60% of the candidates passed in English, 70% in Maths and 40% in both subjects. How many students failed in both subjects? 10% 20% 30% 40% Q24. If selling an article for Rs. 990 causes 10% loss on the selling price, find the cost price. Rs. 891 Rs. 900 Rs. 1,100 Rs. 1,089 Q30. Successive discounts of 50% and 50% is equivalent to: 100% 75% 50% 25% Q31. Due to an increase of 50% in the price of eggs, 4 eggs are available for Rs. 24. The present rate of eggs per dozen is: Rs. 24 Rs. 27 Rs. 36 Rs. 42 Q35. A shopkeeper sold an article at 20% loss. Had he sold it at Rs. 200 more, he could have earned a profit of 5%. ...