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If the difference of two numbers is 4 and the difference of their squares is 64, then which is the smaller of the two number?

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Important Questions on Number Systems

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Numerical and Mental Ability>Arithmetic>Number Systems>Basics of Number Systems
Find the number that is different from other options in the given list of numbers.
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Numerical and Mental Ability>Arithmetic>Number Systems>Basics of Number Systems
The sum of two digits of a number is 13. If 9 is subtracted from the number, the digits are interchanged. What is the number?
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Numerical and Mental Ability>Arithmetic>Number Systems>Basics of Number Systems
Which of the following numbers is perfectly divisible by 4?
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1800 chocolates were distributed among the students of a class. Each student got twice as many chocolates as the number of students in the class. Calculate the number of students in the class.
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Numerical and Mental Ability>Arithmetic>Number Systems>Basics of Number Systems

1 USD = Rs. 67.89. A money changer adds a margin of Rs. 1.11. What will be the cost of 150 USD ? 

1. Rs. 10,183
2. Rs. 10,350
3. Rs. 10,330
4. Rs. 10,450

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Numerical and Mental Ability>Arithmetic>Number Systems>Basics of Number Systems
Which of the following numbers is divisible by 9? 
 
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The least number, which is to be added to the greatest number of 4 digits so that the sum may be divisible by 345, is _____.
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Numerical and Mental Ability>Arithmetic>Number Systems>Basics of Number Systems
The sum of two numbers is 9. The sum of their reciprocals is 12. Find one of the numbers is : 
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If 59 is added to a square of a number, the result is 900. What is the number?
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The difference of the cubes of two consecutive numbers is 127. What are the numbers?
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Numerical and Mental Ability>Arithmetic>Number Systems>Basics of Number Systems
The sum of four consecutive odd numbers is 328. Find the largest number.
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The sum of three consecutive numbers is 126. Find the highest number-

1. 41
2. 42
3. 43
4. 44

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Find such number, so that one fourth of the number is 8 more than 5:

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Numerical and Mental Ability>Arithmetic>Number Systems>Basics of Number Systems
Find the unit place digit in (82)102+(183)103
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Numerical and Mental Ability>Arithmetic>Number Systems>Basics of Number Systems
A number M is divisible by 25. If (M+5) (M+1) is divided by 25, then what will be the remainder?
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Numerical and Mental Ability>Arithmetic>Number Systems>Basics of Number Systems

If A is integer, B is natural number then B-A=? 

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Numerical and Mental Ability>Arithmetic>Number Systems>Basics of Number Systems
Which of the following number is an odd and prime number?
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If 14 of third-part of number is 5, then the number is:
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Numerical and Mental Ability>Arithmetic>Number Systems>Basics of Number Systems

Twice the difference between two numbers is equal to their sum. If one number is 15, Find the other number.

1. 15
2. 10
3. 5
4. 20 

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Numerical and Mental Ability>Arithmetic>Number Systems>Basics of Number Systems

How many times does the number 3 occur in unit's place for numbers ranging from 1 to 100?

1. 20
2. 11
3. 10
4. 19