Question: The ratio of a two-digit natural number to a number formed by reversing its digits is 4 : 7. Which of the following is the sum of all the numbers of all such pairs?

a) 99
b) 198
c) 330
d) 132

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Comments are closed.

  1. Indu bhushan Pandey 3 years ago

    12 and 21 nhi hoga..

  2. vishesh Tyagi 3 years ago

    Sir ratio of unit digit to tens digit come 1:2 which means unit digit should be double of tens digit why you consider 21,42,,63,84

  3. Pranav Atulya 3 years ago

    Are all cat questions really this easy?

  4. sir 24 & 42 will be a pair ; & as usual another amazing question

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