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**Q1. Cost of 40 books is equal to the market price of 16 Book. If seller make 100% profit then find the discount percentage given by him to buyer. **

(a) 25%

(b) 16(2/3)%

(c) 33(1/3)%

(d) 20%

**Q2. Adda 247 launched two new test series and decided to sell them at same price. They got 23% loss on first type of test series and 56% profit on second type of test series calculate profit or gain on overall transaction in Rs, if selling price of each type of test series is 34534.5 .**

(a) 2081.5 profit

(b) 2655.5 loss

(c) 2635.8 Rs loss

(d) 1905.5 profit

**Q3. Priya sells his car for Rs 15.2 lakhs and makes some loss. If he had sold it for Rs 28.15 lakh, his profit would have been 17 11/17% more than his loss. Find the sum of digits of x. (if x is the cost price of car)**

(a) 11

(b) 7

(c) 17

(d) 9

**Q4. A shopkeeper had 2500 kgs of rice. He sold a part of it at 17% profit and the rest at 13% profit, so that he made a total profit 14.26%. How much rice (in kgs) did he sell at 13% profit?**

(a) 264.5

(b) 182.5

(c) 162.5

(d) 135.5

**Q5. Apple sells its earphone to a retailer at a profit of 10% and the retailer sells it to a customer at a profit of 15%. If the customer pays Rs 2783 what had it cost (approximately) to the apple (in Indian rupees)?**

(a) 2175

(b) 2200

(c) 2283

(d) 2275

**Q6. Oil equal to 25% of the weight of ground nut is extracted in a mill. The matter left after extraction is sold as cattle feed at the rate of Rs 23.5/kg. The groundnuts are bought at Rs 45/kg. The processing cost is Rs 9/kg. At what price (Rs per kg) should the oil be sold to earn 23% profit on total costs (Total cost =Cost of groundnuts and Processing costs)?**

(a) 250.58

(b) 198.97

(c) 156.58

(d) 195.18

**Q7. On a certain item profit is 260%. If the cost price increases by 36% what will be the new profit margin (in %)?**

(a) 153.07

(b) 105.70

(c) 163.56

(d) 164.7

**Q8. A vendor buys bananas at 12 for Rs 13 and sells at 13 for Rs 12. What will be the result?**

(a) 25.1% loss

(b) 17.36% proﬁt

(c)14.79% loss

(d)16.6% loss

**Q9. A vendor buys bananas at 19 for Rs 18 and sells at 18 for Rs 19. What will be the profit or loss (in %)?**

(a) 11.61% profit

(b) 12.56% loss

(c) 11.41% profit

(d) 14.51% loss

**Q10. A wholesaler had 540 dozens of mangoes. He sold some of these mangoes at 35% profit and the rest at 8% profit, so that he made 22% profit on selling all the mangoes. How many mangoes (in dozens) did he sell at 8% profit?**

(a) 230

(b) 260

(c) 390

(d) 256

**Solution**

**S1. Ans.(d)**

**Sol.**

**CP of 40 books = MP of 16 books**

**CP × 40 = MP × 16**

**CP/MP=2/5**

**Let CP = 2n **

**MP = 5n**

**SP=2n+(2n×100)/100=4n**

**Required Discount % =(5n-4n)/5n×100=20%**

**S2. Ans.(a)**

**Sol.**

**CP of first test series = 34534.5/77×100=44850**

**CP of second test series = 34534.5/156×100=22137.5**

**Total CP = 66987.5**

**Total SP = 69069**

**Profit = 2081.5**

**S3. Ans.(d)**

**Sol.**

**17 11/17%=3/17 **

**Atq, 28.15- 15.2 = 12.95**

**12.95 = 17x+20x**

**CP = 12.95/37×17+15.2=21.15**

**Sum of digits = 2 + 1 + 1 + 5**

**= 9**

**S4. Ans.(c)**

**Sol.
**

**S5. Ans.(b)**

**Sol.**

**S6. Ans.(D)**

**Sol.**

**Let total ground nut = 4 kg**

**C.P. = (45 + 9) ×4= Rs. 216**

**S.P. = (216×123)/100=Rs. 265.68
**

**(265.68 – 70.5) = 195.18 Rs**

**S7. Ans.(C)**

**Sol.**

**Old CP = 100, Profit = 260%, SP = 360**

**If CP ↑es by 36% =100×34/25=136 **

**P% = ((360 –136))/136×100 = 164.7%
**

**S8. Ans.(C)**

**Sol.**

**L% = ((13)^2–(12)^2)/(13)^2 ×100**

**= 25/169×100 ⇒14.79%**

**S9.Ans(C)**

**Sol. IF cp of a article is b and sp of b article is a then**

**P%=((a)^2 – (b)^2)/(b)^2 ×100**

**P% =((19)^2 – (18)^2)/(18)^2 ×100**

**= 11.41% profit**

**S10.Ans(B)**

**Sol. By allegation**

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