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A number was divided successively in order by 4, 5 and 6. The remainders were respectively 2, 3 and 4. The number is:
  • a)
    238
  • b)
    214
  • c)
    954
  • d)
    1908
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A number was divided successively in order by 4, 5 and 6. The remainde...

Hence, required number = 214
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Most Upvoted Answer
A number was divided successively in order by 4, 5 and 6. The remainde...
Solution:

Let's assume the number we are looking for is 'x'.

Given:
- When 'x' is divided by 4, the remainder is 2.
- When 'x' is divided by 5, the remainder is 3.
- When 'x' is divided by 6, the remainder is 4.

To find the number 'x', we can use the Chinese Remainder Theorem or solve it step by step using algebraic equations.

Step 1: Finding the number divisible by 4 and leaving a remainder of 2
Let's assume the number divisible by 4 and leaving a remainder of 2 is 'a'. We can write this as:
a = 4k + 2, where 'k' is an integer.

Step 2: Finding the number divisible by 5 and leaving a remainder of 3
Let's assume the number divisible by 5 and leaving a remainder of 3 is 'b'. We can write this as:
b = 5m + 3, where 'm' is an integer.

Step 3: Finding the number divisible by 6 and leaving a remainder of 4
Let's assume the number divisible by 6 and leaving a remainder of 4 is 'c'. We can write this as:
c = 6n + 4, where 'n' is an integer.

Now, we need to find the number 'x' which satisfies all three conditions.

Step 4: Combining the equations
We can equate 'a', 'b', and 'c' to find a common value for 'x':
a = b = c

4k + 2 = 5m + 3 = 6n + 4

Step 5: Solving the equations
We can solve the above equations by trial and error or using the method of substitution. By trying different values, we find that when k = 53, m = 43, and n = 35, the equations are satisfied.

Plugging in these values, we get:
a = 4(53) + 2 = 214
b = 5(43) + 3 = 218
c = 6(35) + 4 = 214

Since all three equations are satisfied when 'x' is equal to 214, the correct answer is option 'B'.

Therefore, the number is 214.
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A number was divided successively in order by 4, 5 and 6. The remainders were respectively 2, 3 and 4. The number is:a)238b)214c)954d)1908Correct answer is option 'B'. Can you explain this answer?
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