हिंदी

Let X Be the Greatest Number of 4 Digits, Which When Divided by 15, 20 and 28 Leaves in Each Case the Remainder 2. the Sum of Digits of X is - Mathematics

Advertisements
Advertisements

प्रश्न

Let x be the greatest number of 4 digits, which when divided by 15, 20 and 28 leaves in each case the remainder 2. The sum of digits of x is

विकल्प

  • 19

  • 21

  • 23

  • 25

MCQ

उत्तर

23

Explanation:

L.C.M. of 15, 20 and 28

= 2 × 2 × 5 × 3 × 7

= 420

Greatest 4 digit number = 9999.

The greatest 4 digit number is divisible by 420 = 9660.

The remainder in each case = 2.

Required number = 9660 + 2 = 9662.

Sum of digits = 9 + 6 + 6 + 2 = 23.

shaalaa.com
Number System (Entrance Exam)
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
2017-2018 (May) Set 1
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×