Practice mode / Problems on Numbers A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is: A Option A: 18 B Option B: 24 C Option C: 42 D Option D: 81 Correct answer B. 24 Show answer Report a problem How we write and check questions
Question 01 / Problems on Numbers The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1: 2? A Option A: 4 B Option B: 8 C Option C: 16 D Option D: None of these Correct answer B. 8 Show answer Open question
Question 02 / Problems on Numbers The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of that number? A Option A: 3 B Option B: 4 C Option C: 9 D Option D: Cannot be determined E Option E: None of these Correct answer B. 4 Show answer Open question
Question 03 / Problems on Numbers Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: A Option A: 9 B Option B: 11 C Option C: 13 D Option D: 15 Correct answer D. 15 Show answer Open question
Question 04 / Problems on Numbers If one-third of one-fourth of a number is 15, then three-tenth of that number is: A Option A: 35 B Option B: 36 C Option C: 45 D Option D: 54 Correct answer D. 54 Show answer Open question
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