## Mathematics Tricks in Hindi

Maths Tricks in Hindi PDF:-Quick maths tricks for competitive exams pdf in Hindi, Math Trick in Hindi PDF Book Free Download For SSC, Maths Paper, This PDFEXAM is very useful for the upcoming competitive exams like SSC CGL, BANK, RAILWAYS,  RRB NTPC, LIC AAO, and many other exams. Maths Paper is very important for any competitive exam and this Math Question Answer is very useful for it. this FREE PDF will be very helpful for your examination. and best of luck.

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### Mathematics Tricks and Formulas in Hindi

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)

1. 6.5/0.13 = ?

(A) 0.5

(B) 5

(C) 50

(D) 0.05

(C) 50

2. एक पुस्तक का क्रयमूल्य ₹110 तथा विक्रयमूल्य ₹123.20 है। इसे बेचने पर पुस्तक विक्रेता को कितने प्रतिशत लाभ होगा ?

(A) 11%

(B) 12%

(C) 13%

(D) 14%

(B) 12%

3. एक कुर्सी को ₹873 में बेचने से व्रिकेता को 10% हानि होती है, कुर्सी का क्रय-मूल्य कितना है ?

(A) ₹970

(B) ₹900

(C) ₹950

(D) ₹980

(A) ₹970

4. यदि किसी वस्तु को 5% हानि की अपेक्षा 10% लाभ पर बेचा जाता तो विक्रेता को ₹75 अधिक मिलते। वस्तु का क्रयमूल्य कितना है ?

(A) ₹550

(B) ₹500

(C) ₹530

(D) ₹520

(B) ₹500

5. रमेश ने एक गाय ₹8580 में बेचकर 4% लाभ कमाया, उसने यह गाय कितने रूपये में खरीदी ?

(A) ₹8270

(B) ₹8250

(C) ₹8650

(D) ₹9250

(B) ₹8250

6. एक फल विक्रेता ने ₹15 के 6 की दर से केले खरीद कर ₹12 के 4 की दर से बेच दिए, उसका लाभ अथवा हानि प्रतिशत ज्ञात कीजिये।

(A) 17%

(B) 19%

(C) 20%

(D) 22%

(C) 20%

7. 420 का 36% – 350 का 56% = ? – 94

(A) 48.2

(B) 49.2

(C) 138.8

(D) 158.8

(B) 49.2

8. 130 का ? % = 11.7

(A) 9

(B) 0.9

(C) 0.09

(D) 90

(A) 9

9. आधे घण्टे का 1 मिनट 10 सैकण्ड कौन सा प्रतिशत है ?

(A) 2.5%

(B) 3.89%

(C) 3.5%

(D) 4%

(B) 3.89%

10. 6.8 किग्रा का कितने प्रतिशत 17 ग्राम है ?

(A) 2.5%

(B) 25%

(C) 0.25

(D) 0.025

(C) 0.25
TOPICS – Mathematics Tricks in Hindi PDF with Question and Answer

NUMBER OF PAGES – 72

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