Problems on Numbers Questions

• The sum of three consecutive natural numbers each divisible by 5, is 225. The largest among them is
• The greatest perfect square number of 6 digits is
• The numbers x, y, z are respectively proportional to 2, 3, 5 and the sum of x, y and z is 80. If the number z is given by the equation z = ax-8, then a is
• Which one of the following is the minimum value of the sum of two integers whose product is 24?
• What least value must be assigned to '*' so that the number 63576 * 2 is divisible by 8?
• The least number to be added to 13851 to get a number which is divisible by 87 is
• The least number that must be substracted from 63520 to make the result a perfect square is
• What is the largest 4 digit number which is exactly divisible by 81?
• A non-zero number is greater than 7 times its reciprocal by 9.3. What is the number?
• What is the sum of the first 12 terms of an arithmetic progression if the first term is 3 and last term is 47?
• What least number must be subtracted from 210, so that the sum is completely divisible by 11?
• The sum of a non-zero number and 9 times its reciprocal is 10. What is the number?
• The average of four consecutive odd numbers is 40. What is the largest number?
• What is the remainder when 2468 is divided by 37?
• Of the 3 numbers whose average is 40, the first is 1/3 rd the sum of other 2. What is the first number?
• Convert binary 1101111 to decimal.
• The sum of a fraction and 7 times its reciprocal is 11/2. What is the fraction?
• What is the value of 9991 x 10009?
• What is the quotient when 7251 is divided by 66?
• What is the remainder when 6910 is divided by 81?