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CTET Paper I (Classes I to V) July 2013 Solved Paper

Question : 35 of 150

Marks: +1, -0

When 90707 is divided by 9, the remainder is

Solution:

Concept:

When dividing by 9, the remainder equals the remainder when the sum of the digits is divided by 9.

Explanation:

Sum of digits of 90707:

9 + 0 + 7 + 0 + 7 = 23

Divide 23 by 9:

9 \times 2 = 18

, remainder

23 - 18 = 5

So, 90707 divided by 9 also leaves remainder 5.

Check:

90707 = 9 \times 10078 + 5

Answer:

B. 5

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