52x ही संख्या 3 ने विभाज्य होण्यासाठी x हा सर्वात लहान अंक कोणता असावा?
A3
B1
C2
D0
Answer & Solution
Correct answer: C. 2
5 आणि 2 या अंकांची बेरीज 7 होते, आणि त्यात 2 मिळवल्यास 9 मिळते, जे 3 ने विभाज्य आहे; 0 आणि 1 मिळवल्यास अनुक्रमे 7 आणि 8 मिळतात.
Keep practising Number System
Browse all Number System questions for RRB NTPC, or explore more Quantitative Aptitude topics.
Related questions
For rational numbers a/b and c/d with strictly positive denominators, a/b < c/d holds precThe fundamental theorem of arithmetic guarantees that prime factorization of an integer isIf the 7-digit number 5432y71 is divisible by 9, what is the single-digit value of y?Under the ancient rules formulated by Brahmagupta, subtracting zero from a fortune resultsWhich celebrated 6-digit recurring sequence forms the cyclic repeating block in decimal 1/In number theory, what specific technical name is given to the property of being a prime nWhen does long division of a rational fraction terminate?How many rational numbers lie between any two rational points?