# Math Book PDF For Competitive Exam 2023

**Math Book PDF For Competitive Exam 2023 **

**नमस्कार दोस्तों , स्वागत है आपका हमारी बेबसाईट पर ! **

Math books are an essential resource for any student preparing for competitive exams. Math books provide a comprehensive overview of the topics covered in the exam and help students to understand the concepts and solve problems. Math books can also help students to develop their problem–solving skills and improve their performance in the exam. Math books are available in PDF format and can be downloaded for free from various websites. The PDF format makes it easy to access the material and study from anywhere. Math books provide a great way to prepare for competitive exams and can be a valuable resource for students.

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**Related Topics**

- सरलीकरण (Specification)
- आसन्न मान (Approximate Value)
- समीकरणों की समानता (Equality of Equations)
- घातांक एवं करणी (Indices and Surds)
- लघुत्तम समापवर्तक एवं महत्तम समापवर्तक (LCM and HCF)
- संख्या पद्धति (Number System)
- प्रतिशतता (Percentage)
- लाभ, हानि और बट्टा (Profit, Loss and Discount)
- साधारण ब्याज (Simple Interest)
- चक्रवृद्धि ब्याज (Computed Interest)
- अनुपात एवं समानुपात (Ratio and Proportion)
- साझेदारी (Partnership)
- मिश्रण (Mixture)
- मिस्र समानुपात (Mixture)
- मिश्र समानुपात (Mixed Proportion)
- उम्र सम्बन्धी प्रश्न (Problems on Age)
- समय तथा काम (Time and Work)
- नल तथा टंकी (Pipes and Cistern)
- औसत (Average)
- समय तथा दूरी (Time and Distance)
- रेलगाङी से सम्बंधित प्रश्न (Problems Based on Trains)
- नाव एवं धारा (Bots and Streams)
- क्षेत्रफल (Area)
- पृष्ठ क्षेत्रफल तथा आयतन (Surface Area and Volume)
- आंकणो की पर्याप्तता (Data Sufficiency)
- संख्या श्रेणी (Number Series)
- क्रमचय एवं संचय (Permutation and Combination)
- प्रायिका सिद्धांत (Probability Theory)
- एकघातीय एवं द्विघातीय समीकरण (Linear & Quadratic Equations)
- ग्राफ (Graph)
- सारणीकरण (Tabulation)
- लघुगणक (Logarithms)
- श्रेणी (Progression)

**Math Book PDF Question Answers**

**Q1. What approximate value should come in place of the question mark (?) in the following equation? 158.25 x 4.6 + 21% of 847+?= 950.93 50 45**

- 35
- 40
- 25
**Answer:**45- 53.25

**Q2. The average of the first and the second of three numbers is 15 more than the average of the second and the third of these numbers. What is the difference between the first and the third of these three numbers?**

- 15
- 45
- 60
- Data inadequate
**Answer:**None of these

**Difference is 30** – **The difference between the simple and the compound interest compounded every six rnonths at the rate of 10 %.p.a. at the end of two years is Rs. 124.05. What is the sum?**

- Rs 10,000
- Rs 6,000
- Rs 12,000
**Answer:**Rs 8,000- None of these

**Q4. What approximate value should come in place of the question mark (?) in the following equation? 85.147 + 34.912 x 6.2 + ? = 802.293**

- 400
- 450
- 550
- 600
**Answer:**500

**Q5. What should come in place of the question mark (?) in the following equation? 9548+7314=8362+?**

- 8230
**Answer:**8500- 8410
- 8600
- None of these

**Q6. What approximate value should come in place of the question mark (?) in the following equation? 248.251 ÷ 12.62 x 20.52 =?**

**Answer:**400- 450
- 600
- 375
- 350

**Q7. When a number is added to another number the total becomes 333.333 per cent of the second number. What is the ratio between the first and the second number?**

- 3:7
- 7:4
**Answer:**7:3- Data inadequate
- None of these

**Q8. There are 11 members in a family out of which there are 4 males and remaining females. The family has hired three cars for a trip to zoo. The members are to be seated in the cars in such a way that there are not more than four members in one car and there is at least one male in each car. How many different ways can the members travel?**

- 610
- 126
- 140
- 532
**Answer:**None of these

**Q9. 657 Ways 9:- The sum of four numbers is 64.If you add 3 to the first number, 3 is subtracted from second number, the third is multiplied by 3 and the sum is divided by 3, then all the results are equal. What is the difference between the largest and the smallest of the original numbers?**

**Answer:**32- 27
- 21
- Cannot be determined
- None of these

**Q10. The Numbers are 9,15,4,36 10. In a recent Survey 40% homes contained two or more People. Of those houses containing only one person 25% were having only a male. What is the percentage of all houses which contain exactly one female and no males?**

- 75
- 40
- 15
- Cannot be determined
**Answer:**None of these

**Q11. 45 percent 11. Sumitra has an average of 56% on her first 7 examinations. How much should she make on her eighth examination to obtain an average of 60% on 8 examinations?**

- 88%
- 78%
- 98%
**Answer:**Cannot be determined- None of these

**Q12. Since Total marks are not given So Can not be Determined 12. A classroom has equal number of boys and girls. Eight girls left to play Kho-kho, leaving twice as many boys as girls in the classroom. What was the total number of girls boys present initially? –**

- Cannot be Determined
- 16
- 24
**Answer:**32- None of these

**Q13. 16 boys 16 Girls 13. An amount of money is to be distributed among P, Q and R in the ratio of 6:19:7 respectively. If R gives Rs. 200/- of his share to Q, the ratio among P, Q and R becomes 3:10:3 respectively .What was the total amount?**

**Answer:**Rs. 6,400/-- Rs 12800/-
- Rs 3,200/-
- Data inadequate
- None of these

**Q14. A man in his will distributed his money in such a way that half of it is for his wife, two-thirds of the remaining equally to three of his sons and the remaining amount equally to four of his daughters. If each of the daughters receives Rs. 20,000/-, how much money will each of his sons receive?**

- Rs. 50,333.33
- Rs 48333.33
**Answer:**Rs 53,333.33- Data inadequate
- None of these

**Q15. Arun thinks his weight is more than 65 kg but less than 72 . His brother does not agree with him and thinks Arun’s Weight is more than 60 kg but less than 70 kg. Arun ‘s Mother thinks Arun’s weight cannot be more than 68kg. If all of them are correct in their estimation, what is the average of the probable values of Arun’s weight?**

- 69 kg
**Answer:**67 kg- 68kg
- Data inadequate
- None of these

**Q16. The length and the breadth of the floor of a room is 20 ft. and 10 ft respectively. Square tiles of 2 ft. dimension having three different colours are placed on the floor. The first row of tiles on all sides is of black colour, out of the remaining one-third is of white colour and the remaining are of blue colour. How many blue Coloured tiles are there?**

**Answer:**16- 32
- 48
- 24
- None of these

**Q17. If the arithmetic mean of 6, 8, 10. x, 7 is 8.the value of x will be**

- 7
**Answer:**9- 10
- 8
- none of these

**Q18. A train is moving with an uniform speed. It crosses a railway platform 120 metres long in 12 seconds and another platform 170 meires long in 16 seconds. The speed of the train per second is—**

**Answer:**12.5 m/sec- 10 m/sec
- 10.22 m/sec
- 14 m/sec
- None of these

**Q19.The median of the data 30. 25, 27, 25-8, 29, 35,38. 28 is**

**Answer:**28.5

**Q.3.** कितने वर्षो में 12 प्रतिशत वार्षिक दर से 3000 रूपए का साधारण ब्याज 1080 रूपए हो जाएगा-[A] 9वर्ष

[B] 4वर्ष

[C] 3 वर्ष

[D] 7 वर्ष

**Q.5.** किसी त्रिभुज की भुजाएं 3:4:5 के अनुपात में है। त्रिभुज के सबसे बड़े कोण का माप होगा –

[A] 63 अंश

[B] 68 अंश

[C] 71अंश

[D] 75 अंश

**Q.6** एक शंकु, एक गोलाई, और एक बेलन एकसमान आधार वाले हैं, और उनकी ऊंचाई भी एक समान है। तद्नुसार उ न तीनों के आयतन का अनुपात क्या होगा –

[A] 3:3:1

[B] 3:7:1

[C] 1:2:3

[D] इनमें से कोई नहीं

**Q.7. यदि किसी वस्तु के क्रय मूल्य तथा विक्रय मूल्य 10:11 के अनुपात में हो तो लाभ प्रतिशत ज्ञात कीजिए-
[A] 10
[B] 6
[C] 5
[D] 1**

**Q.8.** प्रथम 100 धन पूर्णाकों का औसत होगा –

[A] 49.5

[B] 47

[C] 52

[D] 50.5

**Q.9. **यदि किसी वस्तु को 200 प्रतिशत के लाभ से बेचा जाता है, तो इसके क्रय मूल्य का इसके विक्रय मूल्य से अनुपात होगा –

[A] 1:7

[B] 2:1

[C] 1:3

[D] 6:1

29.5

- 28
- 29
- None of these

**Q20. If the sum of the two radii of two circles is 7 cm and the difference of their circumference is 8 cm, the two circumferences will be—**

- 34cm and 26cm
- 28cm and 20cm
**Answer:**26 cm and 18 cm- 20cm and 12cm
- None of these

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