How many prime numbers are between 1 and 50?

Explanation

Prime numbers between 1 and 50 are 2, 3 , 5, 7, 11, 13, 17, 19, 23, 29 , 31, 37, 41, 43 and 47 There are 15 prime numbers between 1 and 50 (e) None of the above/More than one of the above 63rd B.P.S.C. (Pre) Exam. 2017 Ans. (b) Let the number be x Divident = (Divisor $\times$ Quotient) $\pm$ Remainder. $x = (342 \times Quotient) \pm 47$ Now dividing "divident" by 19. $$= \left(\frac{342 \times Quotient}{19}\right) + \frac{47}{19}$$ = (18 $\times$ Quotient) + 2 Quotient + 9 Remainder So, the remainder is 9.