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Mathematics formula in pdf

   Published Date: 6th February 2020  Leave a Comment on Mathematics formula in pdf
Math Formula pdf in Hindi For All Competitive Exams

Mathematics In PDF

Mathematics In PDF:- Today, we are sharing the Maths In PDF for you. This Mathematics formula in pdf can prove to be important for the preparation of upcoming government exams like SSC CGL, BANK, RAILWAYS, RRB NTPC, LIC AAO, and many other exams. Mathematics notes are very important for any Sarkari exam. This Maths PDFis being provided to you free of charge, which you can DOWNLOAD by clicking on the DOWNLOAD button given below, and you can also DOWNLOAD some more new PDFs related to this Maths Formula by going to the related notes. You can learn about all the new updates on PDFDOWNLOAD.IN by clicking on the Allow button on the screen.

pdfdownload.in is an online educational website, where we are sharing Maths Formula PDF for free DOWNLOAD for UPSC, SSC, BANK, RAILWAY, LIC, and many other exams. Our General Science Questions PDF is very simple and easy to understand. We also cover basic subjects like Mathematics, Geography, History, General Science, Politics, etc. We also share study material including previous year question papers, current affairs, important sources, etc. for upcoming government exams. Our PDF will help you prepare for any SARKARI EXAM.

Download GK Notes 

सम्पूर्ण जिव विज्ञान की बुक डाउनलोड करे हिंदी में

रेलवे की सम्पूर्ण बुक एग्जाम की तैयारी करे बड़ी आसानी से

रेलवे अस्सिस्टेंट लोको पायलट एवं टेक्निशन की सम्पूर्ण बुक डाउनलोड करे

सम्पूर्ण जिव विज्ञान की बुक डाउनलोड करे हिंदी में

भारतीय भूगोल के शानदार प्रश्नोत्तर सभी कम्पीटीशन एग्जाम के लिए महत्वपूर्ण

GK Questions In Hindi PDF Download

 

 Important Maths Formula 

  • प्राकृतिक संख्या (Natural Numbers) – an – bn = (a – b)(an-1 + an-2 +…+ bn-2a + bn-1)
  • सम संख्या (Even) –  (n = 2k), an + bn = (a + b)(an-1 – an-2b +…+ bn-2a – bn-1)
  • विषम संख्या (Odd) – (n = 2k + 1), an + bn = (a + b)(an-1 – an-2b +…- bn-2a + bn-1)
  • (a + b + c + …)2 = a2 + b2 + c2 + … + 2(ab + ac + bc + ….
  • घातांक के नियम (Low Of Formula Exponents)
  • 1. (am)(an) = am+n
  • 2. (ab)m = ambm
  • 3. (am)n = amn
  • a2 – b2 = (a – b)(a + b)
  • (a+b)2 = a2 + 2ab + b2
  • a2 + b2 = (a – b)2 + 2ab
  • (a – b)2 = a2 – 2ab + b2
  • (a + b + c)2 = a2 + b2 + c2 + 2ab + 2ac + 2bc
  • (a – b – c)2 = a2 + b2 + c2 – 2ab – 2ac + 2bc
  • (a + b)3 = a3 + 3a2b + 3ab2 + b3 ; (a + b)3 = a3 + b3 + 3ab(a + b)
  • (a – b)3 = a3 – 3a2b + 3ab2 – b3
  • a3 – b3 = (a – b)(a2 + ab + b2)
  • a3 + b3 = (a + b)(a2 – ab + b2)
  • (a + b)3 = a3 + 3a2b + 3ab2 + b3
  • (a – b)3 = a3 – 3a2b + 3ab2 – b3
  • (a + b)4 = a4 + 4a3b + 6a2b2 + 4ab3 + b4)
  • (a – b)4 = a4 – 4a3b + 6a2b2 – 4ab3 + b4)
  • a4 – b4 = (a – b)(a + b)(a2 + b2)
  • a5 – b5 = (a – b)(a4 + a3b + a2b2 + ab3 + b4)



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QUESTION ANSWER

1. The average of first 50 natural numbers is …………..

A. 25.30
B. 25.5
C. 25.00
D. 12.25
 B. 25.5 
2. A fraction which bears the same ratio to 1/27 as 3/11 bear to 5/9 is equal to ……….. .
A. 1/55
B. 55
C. 3/11
D. 1/11
 A. 1/55 

3. The number of 3-digit numbers divisible by 6, is ………….. .

A. 149
B. 166
C. 150
D. 151
 C. 150 
4. What is 1004 divided by 2?
A. 52
B. 502
C. 520
D. 5002
 B. 502 

 5. A clock strikes once at 1 o’clock, twice at 2 o’clock, thrice at 3 o’clock and so on. How many times will it strike in 24 hours?

A. 78
B. 136
C. 156
D. 196
 C. 156 

6. 106 × 106 – 94 × 94 = ?

A. 2004
B. 2400
C. 1904
D. 1906

  B. 2400 

7. Which of the following numbers gives 240 when added to its own square?

A. 15
B. 16
C. 18
D. 20

  A. 15 

8. The simplest form of 1.5 : 2.5 is …………… .

 A. 6 : 10
B. 15 : 25
C. 0.75 : 1.25
D. 3 : 5
  D. 3 : 5 
9. 125 gallons of a mixture contains 20% water. What amount of additional water should be added such that water content be raised to 25%?
A. 15/2 gallons.
B. 17/2 gallons.
C. 19/2 gallons.
D. 81/3 gallons.

  D. 81/3 gallons. 

10. Evaluation of 83 × 82 × 8-5 is …………. .

A. 1
B. 0
C. 8
D. None of these.
  A. 1. 

Topic name:-Mathematics In PDF




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