Find a number when it is divisible by 2 leaves a remainder 1, when divisible by 3 leaves a remainder 2, when divisible by 4 leaves a remainder 3, etc. and when divisible by 10 leaves a remainder 9. Find the number

• 59 is answer
  let the number is 10X+9, give multiples of X and check which one satisfy the given conditions
• 10 years agoHelpfull: Yes(3) No(5)
• lcm of =(2,3,4,5,6,7,8,9,10)
  =2620
  no. is= 2620-1=2619
• 10 years agoHelpfull: Yes(2) No(1)
• 2519
  
  LCM of (2,3,4,5,6,7,8,9,10) = 2520
  so the number = 2520 - 1 =2519
• 10 years agoHelpfull: Yes(2) No(0)