Question

16. 420 और 130 का महत्तम समापवर्तक (H.C.) ज्ञात कीजिए। (अ) 15 (ब) 10 {स} 130 (द) इनमें से कोई नहीं​

Answer 1

Answer:

(ब) 10

Step-by-step explanation:

2| 420, 130

|----------------

5| 210, 65

|---------------

| 42, 13

_________

HCF : 2,5

=> 2 X 5

=> 10

तो

answer (ब) 10

यह काम करना चाहिए

Answer 2

SOLUTION

TO CHOOSE THE CORRECT OPTION

The HCF ( महत्तम समापवर्तक ) of 420 and 130

a) 15

b) 10

c) 130

d) None of these

EVALUATION

Here the given numbers are 420 and 130

We now prime factorise the given numbers

420 = 2 × 2 × 3 × 5 × 7

130 = 2 × 5 × 13

Hence the required HCF ( महत्तम समापवर्तक )

= 2 × 5

= 10

FINAL ANSWER

Hence the correct option is b) 10

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