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Solving Inequalities

62. The numbe...

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62. The numbers a,b,c are the digits of a three digit number which satisfies 49a+7b+c=286. What is the value of 190a+10b+c?

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Q. The digits p, q and r of a three-digit natural number pqr satisfies the condition 49p + 7q + r = 286. Find the sum of the digits of pqr.

Q. Consider three sets

A, B, C

such that set A contains all three digit numbers that are multiples of

4,

B

contains all three digit even numbers that are multiples of

3

C

contains all three digit numbers that are multiples of

5.

Then the value of

\frac{n [(A \cap B) \times (A \cap C)]}{n [(B \cap C) \times (A \cap B \cap C)]}

Q. Consider three sets

A, B, C

such that set A contains all three digit numbers that are multiples of

4,

B

contains all three digit even numbers that are multiples of

3

C

contains all three digit numbers that are multiples of

5.

Then the value of

\frac{n [(A \cap B) \times (A \cap C)]}{n [(B \cap C) \times (A \cap B \cap C)]}

a, b, c (a > c)

are three digits from left to right, of a three digits number. If the number with these digits reversed is subtracted from the original number, the resulting number has the digits 4 in its unit place. The other two digits from left to right are

(a > c)

are three digits from left to right, of a three digits number. If the number with these digits reversed is subtracted from the original number, the resulting number has the digit 4 in its unit place. The other two digits from left to right are

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