Find the least numberwhichwhen divided by 16, 18 and 20 leaves a remainder 4 in each case, but is completely divisible by 7.
1. 465
2. 3234
3. 2884
4. 3234

• lcm of 16,18,20=720
  required number is in d form 720k+4 is divisible by 7.
  so k=4 then
  2884 divisible by 7
  ans=2884
• 10 years agoHelpfull: Yes(15) No(3)
• 3. 2884 is satisfy all the conditions.
  
  2884/7 = 412
  2884/16 = 180 in quotient n remainder 4
  2884/18 = 160 in quotient n remainder 4
  2884/20 = 144 in quotient n remainder 4
  
  
• 12 years agoHelpfull: Yes(12) No(7)
• with common sense answer is 2884.
  3234/20 leaves 14 as remainder
• 11 years agoHelpfull: Yes(0) No(13)
• answer is (3) 2884
  2884 mod16 =4 ,2884 mod 18=4, 2884 mod 20=4 and 2884 mod 7=0.
• 5 years agoHelpfull: Yes(0) No(0)