Number System, HCF & LCM — practice questions with answers
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The LCM of two numbers is 48 and their HCF is 8. If one of the numbers is 16, what is the other…What is the place value of the digit 7 in the number 3,745?The sum of two numbers is 40 and their difference is 8. Find the product of the two numbers.In a two-digit number the sum of the digits is 12. When the digits are reversed, the number…The sum of the digits of a two-digit number is 12. When the digits are reversed, the new number is…The sum of three consecutive whole numbers is 72. What is the largest of them?When a certain number is divided by 5, the remainder is 3. What is the remainder when twice that…The sum of three consecutive numbers is 72. Find the largest of these numbers.The difference between a two-digit number and the number obtained by interchanging its two digits…The sum of a two-digit number and the number formed by reversing its digits is 121. If the two…The sum of two consecutive even numbers is 66. Find the larger of the two numbers.The difference between a two-digit number and the number obtained by interchanging its two digits…The sum of three consecutive even numbers is 84. Find the largest of the three numbers.The sum of a two-digit number and the number formed by reversing its digits is 132. If the two…Three consecutive even numbers add up to 78. What is the largest of them?A number leaves remainder 8 when divided by 11. What remainder is left when three times the number…The digits of a two-digit number add up to 9. When the digits are reversed, the new number is 27…In a two-digit number the sum of the digits is 12, and the tens digit is twice the units digit.…The sum of the squares of two consecutive positive integers is 145. What is the larger of the two…Three consecutive odd numbers add up to 63. What is the smallest of them?The sum of the digits of a two-digit number is 11. If 45 is added to the number, its digits get…Three consecutive odd numbers add up to 81. What is the largest of them?Three consecutive even numbers add up to 66. Find the largest of the three.Geeta thinks of two numbers whose sum is 73 and whose difference is 17. What is the smaller number?If two consecutive even numbers add up to 74, find the larger of the two numbers.
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