title: Counting maximum occurunces of items in a random series of numbers
body: <p>So, I have a series of numbers ,for convenience just 3,in cell A1,A2,A3. They are randomly created and hence can be any combination of 0s and 1s.
  I need to find the maximum number of 1s that occurs at any instant of time and put the value in A4.
  eg:</p>
  
  <p><strong>Time t1:</strong> (A1,A2,A3) are (0,0,0) -> result = (A4) is 0 [since no 1 is there]<br>
  <strong>Time t2:</strong> Time t1: (A1,A2,A3) are (1,1,0) -> result = (A4) is 2 [since there are 2 1s which is greater than 0 (at t1)]<br>
  <strong>Time t3:</strong> Time t1: (A1,A2,A3) are (1,1,1) -> result = (A4) is 3 [since there are 3 1s which is greater than 0 (at t2)]<br>
  <strong>Time t4:</strong> (A1,A2,A3) are (0,1,0) -> result = (A4) is 3 [since there is only a single 1 which is less than 3 (at t3)]<br></p>
  
  <p>So the <strong>final result is 3</strong></p>
  
  <p>How can I achieve this?</p>
  
  <p>Thanks </p>