Number System, HCF & LCM — practice questions, page 2
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On division by 9, a certain number leaves remainder 7. What remainder does five times that number…In a two-digit number the sum of the digits is 11. When 27 is added to the number, its digits are…A number leaves a remainder of 3 when divided by 5. What is the remainder when the square of that…Three consecutive even numbers add up to 84. What is the largest of these numbers?The digits of a two-digit number add up to 11. If the digits are swapped, the new number is 45…The product of two consecutive positive integers is 156. Find the larger integer.Three consecutive odd numbers add up to 93. What is the largest of them?When a two-digit number is added to the number with its digits reversed, the total is 110. The…Which number exceeds 48 by exactly as much as it falls short of 112?A two-digit number has digits that add up to 9. When the digits are reversed, the number decreases…Three consecutive whole numbers add up to 84. Find the largest of these numbers.One-third of a number exceeds one-fifth of the same number by 10. Find the number.A positive number added to its own square gives 132. What is the number?Three consecutive whole numbers add up to 72. Find the largest of the three numbers.Divide 75 into two parts so that one part is two-thirds of the other. What is the larger part?A two-digit number is 4 times the sum of its digits. Adding 27 to it reverses its digits. What is…The six-digit number 58x362 is exactly divisible by 11. Find the digit x.What is the smallest digit that can replace * so that 4763*2 is divisible by 8?The six-digit number 5a432b is divisible by 72 and b is not zero. What is the value of a?Which of the following numbers is divisible by 11?Which of the following numbers is divisible by 24?A number when divided successively by 3, 5 and 8 leaves remainders 1, 4 and 7 respectively. What…Two numbers when divided by 17 leave remainders 13 and 11 respectively. What is the remainder when…What is the remainder when 1! + 2! + 3! + … + 100! is divided by 12?When a number is divided by a certain divisor, the remainder is 43. When twice the number is…
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