C G board 11th Half yearly exam Question Short Solution || अर्ध वार्षिक संक्षिप्त हल

What is the difference between the compound interests on Rs. 10000 for 2 years at 20% per annum when the interests are compounded half yearly and yearly ? रु10000 की राशि पर 2 वर्ष के लिए 20% वार्षिक दर पर चक्रवद्धि ब्याजों में क्या अंतर है, जब ब्याजों को क्रमश, अर्ध-वार्षिक और वार्षिक रूप से संयोजित किया जाता है ?

Study the given information carefully and answer the following questions. Four students i.e. A, B, C and D appeared for written and practical examinations of year 2019-20 The information given below is known: Total Maximum Marks = Maximum marks of written Exam + Maximum marks of practical Exam Total Maximum weighted score = Maximum marks in written exam xx weighted % + Maximum marks in practical exam xx weighted % Weighted score = Marks obtained in written exam xx weighted % + Marks obtained in practical exam xx weighted % Weighted percentage of written exam is 60% and that of practical exam is 40%. Also, maximum marks of written exam is 80 and that of practical exam is 60 It is given that: Total weighted score of A is 52 . Total weighted score of B is 52 and B obtained 55 marks in practical exam. C obtained 50 marks in practical exam. Marks obtained by D in written examination is 70 and D obtained 75% marks in practical exam. If ratio of marks scored by a 5th student X in the written exam and practical exam is 5 : 3 and the weighted score of X is 52.5, then what is the sum of the marks scored by X in written and practical exams?

Arun has prepared 0.01% (by mass) solution of sodium chloride in water. Which of the following correctly represents the composition of the solutions? (a) 1.00 g of NaCl + 100 g of water (b) 0.11 g of NaCl + 100 g water (c) 0.01 g of NaCl + 99.99 g of water (d) 0.10 g of NaCl + 99.90 g of water

If the rate of compound interest, compounded half yearly, is 20% per annum, then calculate the interest to be paid on Rs. 100000 for 2 years. यदि चक्रवृद्धि ब्याज दर 20% प्रतिवर्ष है, अर्ध वार्षिक रूप से संयोजित, तो रु100000 के मूलधन पर दो वर्षों का ब्याज कितना होगा ?

A person borrows Rs. 2000 at 20% per annum at C.I. compounded half yearly. Immediately he lends it to another person at the same rate on the condition that the interest is compounded for every (1)/(4) th year. Find the amount gained by the first person in (1)/(2) year.

A 1.24 M aqueous solution of KI has density of 1.15 g cm^(-3) . Answer the following questions about this solution: The experimental freezing point of the solution is -4.46^(@)C . What percentage of KI is dissociated?