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%. What is cost price of the article?
800
8,000
700
600
Q39. The salary of a man is decreased by 50% and then in the next year it is increased by 60%, then the resultant increment of his salary is:
10%
15%
-20%
-25%
Q41. 20% loss on selling price is what percent loss on the cost price?
25%
15%
162/3%
161/3%
Q47. Rate of income tax is increased from 4% to 5%. However, the total tax liability of a person remains the same as was in the last year. If his income for the last year was Rs. 1,00,000, find his present income.
Rs. 1,25,000
Rs. 90,000
Rs. 80,000
Rs. 75,000
Q49. If food prices go up by 10%, by how much should a man reduce his consumption so as not to increase the expenditure?
91/11%
10%
11%
Q62. On selling an article for a certain price, a man loses 30%. What is his loss/profit percent, if he sells the article for double the price?
60% loss
15% loss
40% profit
30% profit
Q63. A man gains 10% selling an article for a certain price. What is profit/loss if the article is sold for half the price?
40% loss
5% loss
5% profit
55% profit
Q64. 2/3 of a number is 26. Find out 25% of the number.
9.35
9.45
9.55
9.75
Q68. By selling 60 articles a vendor gains the selling price of 15 articles. His gain in percentage is:
25%
331/3%
20%
284/7%
Q69. A shopkeeper purchased a chair marked at Rs. 800, at two successive discounts of 10% and 15% respectively. He spent Rs. 28 on transportation and sold the chair for Rs. 800. His gain percent is:
40%
30%
25%
14%
Q72. If the cost price of 120 mangoes is equal to the selling price of 110 mangoes, find the gain or loss percent.
9%
10%
111/9%
91/11%
Q78. A shopkeeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of the cost price to the printed price of the book is:
45:56
50:61
55:69
99:125
Q86. If A's income is 40% less than that of B, how much percent is B's income more than that of A?
60%
40%
662/3%
331/3%
Q89. A student gets 20% marks of an examination but fails by 24 marks. If the pass percentage is 35%, the maximum marks are:
200
300
400
500
Q92. A cloth store is offering 'Buy 3, get 1 free'. What is the net percentage discount being offered by the store?
20%
25%
30%
331/3%
Q93. The ratio of the number of boys and girls is 3:2. If 20% of the boys and 30% of the girls are scholarship holders, then the percentage of students who do not get scholarship is:
50%
72%
75%
76%
Q102. When water is frozen to ice, its volume increases by 10%. What percent of the volume of ice decreases when it melts to water?
101/11%
61/5%
91/11%
11%
Q107. A man bought an article for Rs. 21. What was the market price of the article if he had bought the article at 30% discount?
Rs. 30
Rs. 32
Rs. 33.50
Rs. 35
Q111. A dishonest merchant professes to sell his goods at cost price but uses a weight of 900 grams for one kg. What is his profit percent?
10%
111/9%
91/11%
11%
Q117. A shopkeeper sold sarees at Rs. 266 each after giving 5% discount on labelled price. If he did not give the discount, he will be able to earn a profit of 12% on the cost price. What was the cost price of each saree?
Rs. 280
Rs. 250
Rs. 240
Rs. 260
Q120. The cost of 3 horses is same as the cost of 5 cows. If total cost of 4 horses and 6 cows is Rs. 1,900, find the cost of one horse.
Rs. 50
Rs. 150
Rs. 200
Rs. 250
Q121. If selling price of a commodity is increased by Rs. 35, the profit is increased by 7%. Find cost price of the article.
Rs. 245
Rs. 350
Rs. 500
Rs. 700
Q123. A cloth merchant sold half of his cloth at 20% profit, half of the remaining cloth at 20% loss and the rest was sold at its cost price. In the total transaction, his gain or loss will be:
5% profit
Neither loss nor gain
5% loss
10% profit
Q129. A retailer professes to sell his goods at cost price. If using a false weight, he still gains 25%, find the weight he uses in place of 1 kg.
200 grams
600 grams
750 grams
800 grams
Q139. Salary of a person is increased by 20%, then is decreased by 20%. Change in his salary is:
4% decreased
4% increased
8% decreased
Remains same
Q153. In an election 75% of the voters cast their votes; out of which 2% are rejected. If the successful candidate secures 9261 votes, which is 75% of the total votes, determine the total number of voters in that centre.
1680
168000
16800
26800
Q158. The marked price of an article is Rs. 1,050. A customer pays Rs. 798 for it with two successive discounts. If the rate of first discount is 20%, the rate of second discount is:
5%
6%
8%
10%
Q160. A shopkeeper marks his goods 20% above cost price, but allows 30% discount for cash. His net loss is:
8%
10%
26%
20%
Q162. If a man allows 20% discount on all his articles, the number of articles sold is increased by 20%. What will be the effect on total sale?
40% increase
4% increase
4% decrease
No effect
Q174. In an examination 58% of the candidates passed in English and 68% passed in Mathematics but 17% failed both in Math and English. If 2150 candidates passed in both the subjects then how many candidates appeared in the examination?
5000
6000
5050
None of the above
Q181. In a hotel 60% had vegetarian lunch while 30% had non-vegetarian lunch and 15% had both types of lunch. If 96 people were present, how many did not eat either type of lunch?
20
24
26
28
Q183. Price of an article increases by 20%. As a result turnover increases by 12%. Find the decrease in quantity sold.
5%
6.67%
6.66%
5.67%
Q190. A house worth Rs. 1,50,000 is sold by X at a 5% profit to Y, Y sells the house back to X at a 2% loss. Then find profit and loss in the entire transaction.
X gains Rs. 4,350
X loses Rs. 4,350
X loses Rs. 3,150
X gains Rs. 3,150
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