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Directions Read the given passage carefully and find the answers of following questions. LCM of two numbers A and B is 60. B is a 2-digit number which leaves remainder as 2 when divided by 6. It is also given B>A.Read the instructions carefullyWhat is remainder when B is divided by 2?

Question

Directions Read the given passage carefully and find the answers of following questions. LCM of two numbers A and B is 60. B is a 2-digit number which leaves remainder as 2 when divided by 6. It is also given B>A.Read the instructions carefullyWhat is remainder when B is divided by 2?

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Solution

Sure, let's break down the problem step by step to find the remainder when B is divided by 2.

  1. Given Information:

    • The Least Common Multiple (LCM) of two numbers A and B is 60.
    • B is a 2-digit number.
    • B leaves a remainder of 2 when divided by 6.
    • B is greater than A (B > A).
  2. Finding B:

    • Since B leaves a remainder of 2 when divided by 6, we can write B in the form: B=6k+2 B = 6k + 2 where k k is an integer.
  3. Identifying Possible Values of B:

    • B must be a 2-digit number, so we need to find values of k k such that 106k+299 10 \leq 6k + 2 \leq 99 .
    • Solving for k k : 106k+299 10 \leq 6k + 2 \leq 99 Subtract 2 from all parts of the inequality: 86k97 8 \leq 6k \leq 97 Divide by 6: 86k976 \frac{8}{6} \leq k \leq \frac{97}{6} Simplify: 1.33k16.17 1.33 \leq k \leq 16.17 Since k k must be an integer, the possible values of k k are 2 through 16.
  4. Calculating Possible Values of B:

    • For k=2 k = 2 : B=6(2)+2=14 B = 6(2) + 2 = 14
    • For k=3 k = 3 : B=6(3)+2=20 B = 6(3) + 2 = 20
    • Continue this process up to k=16 k = 16 : B=6(16)+2=98 B = 6(16) + 2 = 98
    • The possible values of B are: 14, 20, 26, 32, 38, 44, 50, 56, 62, 68, 74, 80, 86, 92, 98.
  5. Finding the Remainder When B is Divided by 2:

    • All the possible values of B are even numbers (since they are in the form 6k+2 6k + 2 ).
    • When an even number is divided by 2, the remainder is always 0.

Conclusion: The remainder when B is divided by 2 is 0.

This problem has been solved

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