Basics of Number Systems

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Basics of Number Systems: Overview

This topic covers concepts, such as Properties of Natural Numbers, Properties of Odd Numbers, Rule for Divisibility by 5, Rule for Divisibility by 2, Rule for Divisibility by 3, Rule for Divisibility by 13, Number Systems, Factors of Numbers, etc.

Important Questions on Basics of Number Systems

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The greatest number of 5 digit which starts from 8 and ends with 7 is _____

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a3=b4=c7 then ,a+b+cc is equal to ?

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The sum of five consecutive odd numbers is 265. What is the sum of the largest number and twice the smallest number?

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Find the largest given prime number. In four consecutive prime numbers that are in descending order, the product of the first three is 2431 and that of the last three is 1001.

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The unit digit in3×33×537×1256 is -

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A number is divisible by 4 if its:

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If all the numbers from 4 to 71 which are divisible by 4 are arranged in descending order, then which number will be at 8th place from the top ?

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The natural numbers along with zero forms the collection of:

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When n is divided by 4, the remainder is 3. What is the remainder when 2n is divided by 4?

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The number 3 less than -2 is:

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How many mm represent 1 km?

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Find the digit in the unit's place of the product 49237 × 3995 × 738 × 83 × 9.

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Which of the following is the maximum sum of 44,42,40 ……?

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If a quantity is divided in the ratio 3:5, the larger part is 75. Find the quantity.

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Find the smallest number from the given options which when divided by 25, 40 or 56 has13 as remainder in each case.

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When xm is multiplied by xn, the product is 1. Find the relation between m and n

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Consider all those two-digit positive integers less than 50, which when divided by 4 yield unity as remainder. What is their sum?

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A number  N is a positive three-digit number If x is at its hundred's place and  y is at its unit's place, then the number N-100x-y is always divisible by

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The least number which must be added to the greatest number of 4 digits in order that the sum may be exactly divisible by 307 is

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108.56 can be written in words as: