Question:
Correctly complete this sequence: 131, 517, ?, 123
Answer:
The completed sequence: 131, 517, 192, 123
Step-by-step explanation:
Given sequence is 131, 517, ?, 123
Step 1: Now, write the given numbers without any commas as below,
131517?123
Step 2: Then, split it into two digit numbers as 13, 15, 17, _ _, 23
Step 3: Fill the sequence with the missing two digit odd numbers. So, we can write as below
13, 15, 17, 19, 21, 23
Step 4: Again, rewrite and form the sequence without any commas.
131517192123
Step 5: Place the class after every three digits.
131, 517, 192, 123
Step 6: At last, found that the missing number is 192.
