If f(x) = sum of all the digits of x, where x is a natural number, then what is
Practice Problems on Numbers – If f(x) = sum of all the digits of x, where x is a natural number, then what is the value of f(101)+f(102)+f(103)+ .. +f(200)?
Practice Problems on Numbers – If f(x) = sum of all the digits of x, where x is a natural number, then what is the value of f(101)+f(102)+f(103)+ .. +f(200)?
Practice Problems on Numbers – The number which should be subtracted from 5a2-3ab+7b2 to make it equal to a2+ab+b2, is:
Practice Problems on Numbers – Which of the following fractions is less than 7/8 and greater than 1/3 ?
Practice Problems on Numbers – If x is a positive number and y = x2, then which of the following is true?
Practice Problems on Numbers – What will be the remainder when 1336 is divided by 2196?
Practice Problems on Numbers – If the digit in the units place of a square natural number is 6, then the digit in the tens place will be:
Practice Problems on Numbers – What is the remainder when 1723 is divided by 16?
Practice Problems on Numbers – What is the smallest four-digit number which when divided by 6, leaves a remainder of 5 and when divided by 5 leaves a remainder of 3?
Practice Problems on Numbers – If an integer “k” is divisible by 2, 5 and 13. What is the next largest number that is divisible by all the three given numbers?
Practice Problems on Numbers – What is the least amount that a person can have such that when he distributes it into groups of Rs. 16 or Rs. 18 or Rs. 20 or Rs. 25, he is always left with Rs. 4?
Practice Problems on Numbers – Sum of the digits of a 3 digit number is subtracted from the number. The resulting number is divisible by _______
Practice Problems on Numbers – A number when divided by 5 leaves remainder 2. When the square of the number is divided by 5, the remainder will be :
Practice Problems on Numbers – Abcd is a four digit number which when multiplies by X, forms a number abcdabcd. X is a multiple of ?
Practice Problems on Numbers – Three consecutive whole numbers are such that the square of the middle number is greater than the product of the other two by 1. Find the middle number.
Practice Problems on Numbers – Which pair of rational numbers lie between 1/5 and 2/5