WorksheetsNUMBER SYSTEM
Total questions: 15
Worksheet time: 8mins
Which of the following set does not contain an additive identity
N
W
Z
Q
If a=(-1) × (-1)×....... 100 times , b =(-1)× (-1)×.........99 times. then a+b=
-1
-2
0
1
A car runs 16km using 1 ltr petrol. How much distance will it cover using 2 3/4 ltrs of petrol?
55km
45km
48km
44km
By selling oranges at the rate of rs.5 1/4 per orange. A fruit seller gets rs.630. How many dozens of oranges does she sell?
10
12
14
8
which of the following is true?
12÷0=0
120÷1= 120
0×130=0
150×1=151
Which of the following is terminating?
5/3
17/6
54/49
37/5
The smallest of the fractions 2/3 , 4/7 , 8/11 and 5/9 is
2/3
4/7
8/11
5/9
Guru read 3/5 of a book . He finds that there are still 80 pages left. the total number of pages in the book are
100
200
400
300
If a+b=7 , b+ c=10 , c+a=11 then a=
7
4
3
5
The periodicity of 5/13 is
2
4
6
8
A real number (2² ×3²×7²) ÷ (2⁵×5³×3²×7) will have
terminating decimal
non terminating decimal
non terminating and non repeating decimal
none
The smallest number by which 3645 must be multiplied to get a perfect 5 square is
5
3
7
11
2√18+√32
40√2
30√2
20√2
10√2
If the some of 2 numbers is 52 and their lcm is 168 then the numbers are
20,32
24,26
12,40
24,27
the reciprocal of 3/4 ÷3 will be
4
1/4
9/4
4/9
