WorksheetsNumber system
Total questions: 65
Worksheet time: 36mins
Which of the following are Natural numbers?
4,3
3
-20
71
Natural numbers are also called counting numbers
true
false
The smallest counting number is ...................
zero
one
nine
four
set A : {1,3,5,7,9,11 ...} belongs to the number ...
irrational number
whole number
negative's integers number
natural number
10+4 = 4+10
12 x 1 = 12
(1+2)+3=1+(2+3)
3(x+2)=3x+6
Closure property of integers states that if a and b are integers then a + b =c, c is also an integer?
True
False
a(b + c) = ab + ac
Integers are closed under which operations. Select all that apply.
Addition
Subtraction
Multiplication
Division
3(2a - 3) = 6a - 9
Sum of five consecutive even numbers is 110. Find the numbers
16,18,20,22,24
18,20,22,24,26
20,22,24,26,28
14,16,18,20,22
Find the value of X and Y from the given equations 2x+4y=12, 2x−2y=6
x = 4, y = 3
x = 6, y = 2
x = 4, y = 1
x = 2, y = 6
What is the unit digit in
(6324)^ 1797 × (615)^ 316 × (341) ^476 ?
1
2
3
0
What least number should be added to 1056, so that the sum is completely divisible by 23?
1
2
3
4
What is the unit digit in the product (3^65 x 6^59 x 7^71)?
1
2
4
6
A number consists of two digits. If the number formed by interchanging the digits is added to the original number, the resulting number (i.e. the sum) must be divisible by
11
9
12
8
A number when divided by 5 leaves a remainder 3. What is the remainder when the square of the same number is divided by 5 ?
1
2
3
4
Which of the following number is divisible by 24 ?
A. 31214
B. 61212
C. 512216
D. 3125832
A number when divided by 259 leaves a remainder 139. What will be the remainder when the same number is divided by 37
28
29
30
31
22, 46, 94, 190, 382,….?
764
776
766
770
Z, V, R, N, J,….?
C
E
G
F
135 ÷ 54 of 1/6 + 2/5 * 17/4 = ?
a
b
c
d
a
b
c
d
Eight bells rings at a time interval of 2mins, 3mins, 4mins, 5mins, 6mins, 8mins, 10mins and 12mins resp. They started ringing simultaneously at 8:20 am, then at what time they again ring simultaneously?
08:20 pm
09:20 pm
09:20 am
10:20 am
0
3
9
1
The sum of the two numbers is 12 and their product is 35. What is the sum of the reciprocals of these numbers ?
12/35
1/35
35/8
7/32
If the number 517*324 is completely divisible by 3, then the smallest whole number in the place of * will be:
0
2
3
1
If Y ^ (4b-8 ) = 1, where Y is a positive real number other than 1, then find b.
1
3
2
4
Rama has some 2 rupee coins and 10 rupee coins. If the total number of coins is 60 and the total amount is Rs.400, then find the number of coins in each category.
55, 12
25, 35
8, 55
55, 8
To find HCF of 3³×5 and 3² × 5²
40
42
45
44
What type of number is 0?
Integer
Irrational
Imaginary
Natural
What type of number is -2
Integer
Whole
Irrational
Imaginary
Which number is an irrational number?
0.333333333...
1.0101010101010101011010101010
√225
2/3
What number is irrational?
3.38383838383838838383838...
0.444444444444444444...
0
2
What is the definition of natural numbers?
Counting numbers starting from 1
Counting numbers starting from 0
Negative numbers
π
Which option is a repeating decimal?
0.505050505050050505
0.33333333333333333
Which fraction is a repeating decimal?
15/22
1/2
10/15
64/72
Which number is irrational?
√256
√361
√121
√133
What is "i"?
A weird number
An odd number
An imaginary number
An amazing number
What type of number is -3?
Irrational
Whole
Imaginary
Integer
22/7 is irrational
True
False
What is the definition of an irrational number?
A number that can be written as a fraction.
All counting numbers, including 0.
A number that can't be written as a fraction.
All whole numbers and their opposites.
2
8
10
16
Option 1
Option 2
Option 3
Option 4
The decimal equivalent value of the given binary number is _______.
55
77
100
95
Option 1
Option 2
Option 3
Option 4
13.3
15.3
13.75
15.75
4
8
16
32
Option 1
Option 2
Option 3
Option 4
Option 1
Option 2
Option 3
Option 4
Option 1
Option 2
Option 3
Option 4
2
8
15
16
64
128
256
512
Option 1
Option 2
Option 3
Option 4
