CBSE Class 12 Chemistry Previous Year Question Paper with Solutions PDF

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CBSE Class 12 Chemistry Previous Year Question Paper with Solutions PDF

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CIE IGCSE Topical Past Paper 2 1.4 Production possibility curve (PPC) diagrams      0455/22/O/N/24 In 2021, the production point on the UK’s production possibility curve (PPC) changed. Average wages increased. The average annual wage of a waiter was $23,580 while that of a chief executive of a large commercial bank was $1,617,000. A rise in wages enables people to eat in restaurants more often. Some of the food sold in UK restaurants is imported. In 2021, the UK government signed free trade agreements, removing import restrictions, with a number of countries. (a) Identify two places where a production point could be located on a PPC diagram. [2] (b) Explain two reasons why someone may switch from eating in one restaurant to eating in another restaurant. [4] 0455/22/O/N/23  In 2020, Singapore experienced a decrease in both its population size and its labour force. 2020 wa...
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Ch 4 Organisation of data Statistics grade 11

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  Page No 4.54: Question 1: Following are the figures of marks obtained by 40 students. You ae required to arrange them in ascending and in descending order. 15 18 16 14 10 6 5 3 8 7 22 18 14 19 17 8 6 4 10 3 12 16 15 13 11 10 18 22 14 19 11 18 22 14 25 21 17 8 9 10 ANSWER: Marks in Ascending Order:  3, 3, 4, 5, 6, 6, 7, 8, 8, 8, 9, 10, 10, 10, 10, 11, 11, 12, 13, 14, 14, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 18, 18 ,19, 19, 21, 22, 22, 22, 25 Marks in Descending Order:  25, 22, 22, 22, 21, 19, 19, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 13, 12, 11, 11, 10, 10, 10, 10, 9, 8, 8, 8, 7, 6, 6, 5, 4, 3, 3 Page No 4.54: Question 2: Heights (in inches) of 35 students of a class in given below. Classify the following data in a discrete frequency series 58 60 72 68 58 55 58 72 55 68 66 60 60 55 76 66 58 72 68 60 55 68 55 58 62 66 72 58 60 68 55 58 65 72 68   ANSWER: In the form of frequency distribution, the given data can be arranged as follows.   Heig...
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