9. Let ab, a = b, is a 2-digit prime number such that ba is also a prime
number. The sum of all such numbers is:
मान लीजिए कि ab, a + b, 2 अंकों बाली अभाज्य संख्या इस प्रकार कि ba भी
अभाज्य संख्या है। ऐसी सभी संख्याओं का योगफल ज्ञात कीजिए।
(a) 374
(b)418
(c)407
(d) 396
Answers
Answered by
4
Answer:
418 is a answer of this question
mandeepbazzad:
process kya h iska
Answered by
0
Answer:
two digit prime number are.
13+17+19+23+29+31+37+41+43+47+53+59+61+67+71+73+79+83+89+97
.
only add ones digit=8
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