What should come in place of the question mark ‘?’ in the following number series?1680, 210, 30, 5, ?, 0.25
Question
What should come in place of the question mark ‘?’ in the following number series?1680, 210, 30, 5, ?, 0.25
Solution 1
The given series is a decreasing series. If we observe closely, each number is divided by 8 to get the next number.
1680 ÷ 8 = 210, 210 ÷ 7 = 30, 30 ÷ 6 = 5, 5 ÷ ? = 0.25
To find the missing number, we need to divide 5 by 0.25.
5 ÷ 0.25 = 20
So, the missing number is 20.
Solution 2
The given series is a decreasing series. If we observe closely, each number is divided by 8 to get the next number.
1680 ÷ 8 = 210, 210 ÷ 7 = 30, 30 ÷ 6 = 5, 5 ÷ ? = 0.25
To find the missing number, we need to divide 5 by 0.25.
5 ÷ 0.25 = 20
So, the missing number is 20.
Solution 3
The given series is a decreasing series. If we observe closely, each number is divided by 8 to get the next number.
1680 ÷ 8 = 210, 210 ÷ 7 = 30, 30 ÷ 6 = 5, 5 ÷ ? = 0.25
To find the missing number, we need to divide 5 by 0.25.
5 ÷ 0.25 = 20
So, the missing number is 20.
Similar Questions
What should come in place of the question mark “?” in the following number series? 6,12, 8, 16, ?, 19.2
Direction: What should come in place of question mark (?) in the following number series? 101, 204, 309, 416, 525, 636, ?Options640749662736700
What should come place of the question mark(?) in the following number series?17, 18 , 26, 53 , 117, ? , 458
Direction: What will come in place of the question mark (?) in the following number series? 83, 188, __, 374, 437, 452Options280287487239445
What will replace the question mark (?) in the following series?2, 12, 36, 80, 150, 252, ?.
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.