If f(x) = sum of all the digits of x, where x is a natural number, then what is
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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)?
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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)?
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Practice Problems on Numbers – The number which should be subtracted from 5a2-3ab+7b2 to make it equal to a2+ab+b2, is:
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Practice Problems on Numbers – Which of the following fractions is less than 7/8 and greater than 1/3 ?
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Practice Problems on Numbers – If x is a positive number and y = x2, then which of the following is true?
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Practice Problems on Numbers – What will be the remainder when 1336 is divided by 2196?
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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:
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Practice Problems on Numbers – What is the remainder when 1723 is divided by 16?
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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?
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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?
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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?
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Practice Problems on Numbers – Sum of the digits of a 3 digit number is subtracted from the number. The resulting number is divisible by _______
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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 :
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Practice Problems on Numbers – Abcd is a four digit number which when multiplies by X, forms a number abcdabcd. X is a multiple of ?
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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.
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Practice Problems on Numbers – Which pair of rational numbers lie between 1/5 and 2/5