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WorksheetsClass -7, CASE Revision -1
Total questions: 10
Worksheet time: 10mins
The difference between the highest and the lowest observations in a data is its
Mean
Median
Mode
Range
Which of the following is correct about mode?
It is central
It occurs most frequently
It lies between the maximum and the minimum observations.
It is the average of the two middle terms.
The ratio 3 : 8 is equal to:
3.75%
37.5%
0.375%
375%
225% is equal to
9:4
4:9
3:2
2:3
The sum which will earn a simple interest of Rs.126 in 2 years at 14% per annum is:
Rs.394
Rs.395
Rs.450
Rs.540
The equation which cannot be solved in integers is:
5y – 3 = – 18
3x – 9 = 0
3z + 8 = 3 + z
9y + 8 = 4y – 7
If 3k + 7 = 16, then the value of (8k – 22) is:
0
1
2
12
x exceeds 13 by 11, can be represented as
x - 11 =13
11 - x = 13
13 -x = 11
x - 13 = 11
Sum of 2 times x and one-fourth y gives 1
2x+4y =1
2x + 4y =1
2x + 4y =1
2x + 1= 4y
Find the mean of the first six prime numbers.
6.38
6.24
6.88
6.83
