Number System - Quiz | Page 6


Question 26:

In a two-digit, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is:

 

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Question 27:

The number of divisors for 16380 is

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Question 28:

Find the number of 5 digit positive integers that are divisible by 11.

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Question 29:

What is the greatest number which on dividing 1223 and 2351 leaves remainders 90 and 85 respectively?

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Question 30:

If the number of factors of 320 × N is 14, what is the value of N? 

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