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CBSE - IX Maths Solved Questions
Question 1
If the sides of a triangle are 13 cm, 14 cm and 15 cm respectively then its area is ____cm2. A) 80
B) 82
C) 84
D) 88

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Question 2
If the sides of a triangle are 150 cm, 120 cm and 200 cm, then its area is ____ cm2. A)
B)
C)
D)

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Question 3
If two sides of a triangle are 8 cm, 11 cm and the perimeter is 32 cm, then its area is ____ cm2. A)
B)
C)
D)

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Question 4
If two sides of triangle are 8 cm and 11 cm and its perimeter is 64 cm, then its area is ____cm2. A)
B)
C)
D)

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Question 5
If two sides of a triangle are and the perimeter is 42 cm, then its area is ____cm2. A)
B)
C)
D)

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Question 6
If the sides of a triangle are 40 cm, 32 cm and 24 cm, then its area is ____cm2. A)
B)
C)
D)

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Question 7
If the sides of a triangle are 25 cm, 17 cm and 12 cm respectively, then its area is ____cm2. A) 80
B) 82
C) 90
D) 84

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Question 8
If the sides of a triangle are 13 cm, 12 cm and 5 cm, then its area is ____cm2. A) 80
B) 82
C) 30
D) 84

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Question 9
The sides of a triangle are 12 cm, 13 cm and 15 cm respectively, then its area is ____ cm2. A)
B)
C)
D)

View Solution
Question 10
If the perimeter of an isosceles triangle is 30 cm and each of the equal sides is 12 cm, then its area is ____cm2. A)
B)
C)
D)

...developed with company feedback and the participants in the survey will be approached via multiple methods.
50% of the survey will be online, presented to people visiting the company websites, and few other commonly accessed tourism sites.
30% of the sample population will be approached via telephone. The names will be obtained from sites offering information on frequent travelers.
20% of the questionnaires will be more focused towards businessmen and youth, We might target...

...population sample provides the team information relative to amount of annual wages earned, gender, education, work experience, and union membership.
Sekaran suggests that an appropriate research sample size should contain between 30 and 500 subjects and that the sample design is important for determining the size of the sample (2003). This data set includes 100 subjects composed of 50 men and 50 women. The type of...

...……………………………………………………………... 4 Purpose of the research ………………………………………………….. 7 Objectives of the research ……………………………………………….. 7 Literature review ………………………………………………………... 7 Methodology …………………………………………………………….. 12 a. Research design …………………………………………………. 12 b. Sample …………………………………………………………... Research tools ………………………………………………….... 12 c. 13 d.
Administration of research tool ………………..………………….13 e. Data analysis ……………………………………………………... 14 f. Limitation and assumptions...

...your experiment to the larger population from which the sample was drawn. You should not apply your results to those subjects only who participated in the study. Applying findings from a sample to a larger population is known as generalization.
As the results of an experiment are to generalize the population, so we must be very careful while selecting the sample. The optimal procedure is to identify the population and then draw a random...

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Life Sciences Sampling and Populations Paper
MTH/231
Life Sciences Sampling and Populations Paper
The core of biostatistics consists of the definition of a population and sampling, as they are the indicators of the fundamental concepts that are essential to understanding the statistics of the life and health sciences. The idea that a sample is illustrative of a given population, since a sample is derived from a specific,...

...collection. Sample Data Sample data basically is a subclass of populations such as humans, animals and even objects; it often goes as far as Physical Science and the Scientific Method. Within statistics, known as survey methodology, Sample Data concerns itself in the selective method regarding the subset of inhabitants or humans from within any particular population. This is done in order to approximate the uniqueness of an entire populace like...

...industry in the United States. Housing, which was the way our economy made the majority of their money, is now contributing less to the economic expansion. The decline in the housing market has raised many concerns throughout the entire country. This paper provides statistics on the United States population housing market, economy, demographical characteristics, demographical area and the large amount vacant property. Included in this research document are analysis of data...

...REVIEW OF RELATED LITERATURE
In a study, “Papers and Boards from Banana Stem Waste” in which they used banana stem waste in producing paper and board because banana is a very good source of cellulose. Banana stem waste, thrown away by farmers after harvesting of fruits, was procured as raw material. It was chopped by 3-4” size usually at a rate of about 100 kg material per day. The material was soaked in 1-2% NaOH for appropriate period. The alkali loosens the...