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Evaluate the following, using suitable identity
472
Concept: undefined >> undefined
Show that (m – n)2 + (m + n)2 = 2(m2 + n2)
Concept: undefined >> undefined
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Factorise the following using suitable identity
x2 – 8x + 16
Concept: undefined >> undefined
Factorise the following using suitable identity
64x2 – 112xy + 49y2
Concept: undefined >> undefined
Using identity, find the value of (4.9)2
Concept: undefined >> undefined
A square lawn has a 2 m wide path surrounding it. If the area of the path is 136 m2, find the area of lawn
Concept: undefined >> undefined
The mean of first ten natural numbers is ____________
Concept: undefined >> undefined
If the average selling price of 15 books is ₹ 235, then the total selling price is __________
Concept: undefined >> undefined
The average of the marks 2, 9, 5, 4, 4, 8, 10 is ____________
Concept: undefined >> undefined
The average of integers between −10 to 10 is __________
Concept: undefined >> undefined
Ages of 15 students in 8th standard is 13, 12, 13, 14, 12, 13, 13, 14, 12, 13, 13, 14, 13, 12, 14. Find the mean age of the students
Concept: undefined >> undefined
The marks of 14 students in a science test out of 50 are given below. 34, 23, 10, 45, 44, 47, 35, 37, 41, 30, 28, 32, 45, 39 Find the mean mark
Concept: undefined >> undefined
The marks of 14 students in a science test out of 50 are given below. 34, 23, 10, 45, 44, 47, 35, 37, 41, 30, 28, 32, 45, 39 Find the maximum mark obtained
Concept: undefined >> undefined
The marks of 14 students in a science test out of 50 are given below. 34, 23, 10, 45, 44, 47, 35, 37, 41, 30, 28, 32, 45, 39 Find the minimum mark obtained
Concept: undefined >> undefined
The mean height of 11 students in a group is 150 cm. The heights of the students are 154 cm, 145 cm, Y cm, Y + 4 cm, 160 cm, 151 cm, 149 cm, 149 cm, 150 cm, 144 cm and 140 cm. Find the value of Y and the heights of two students?
Concept: undefined >> undefined
The mean of runs scored by a cricket team in the last 10 innings is 276. If the scores are 235, 400, 351, x, 100, 315, 410, 165, 260, 284, then find the runs scored in the fourth innings
Concept: undefined >> undefined
Find the mean of the following data.
5.1, 4.8, 4.3, 4.5, 5.1, 4.7, 4.5, 5.2, 5.4, 5.8, 4.3, 5.6, 5.2, 5.5
Concept: undefined >> undefined
Arithmetic mean of 10 observations was found to be 22. If one more observation 44 was to be added to the data, what would be the new mean?
Concept: undefined >> undefined
