CBSE Class 12 Applied Mathematics 2022

Marks by chapter

Counted from the 14 questions listed below, as the 2022 papers print them. CBSE allocates marks per unit, not per chapter — this is what was observed, not an official CBSE weightage. Every year compared →

14 questions from 2022

• Q1Evaluate: ∫_0^1 (x e^x)/((x+1)^2) d x OR Solve the following differential equation: (d y)/(d x)=e^x+y+x^2 e^y2 mk
• Q2Find the present value of a perpetuity of ₹ 18,000 payable at the end of 6 months, if the money is worth 8% p.a.…2 mk
• Q3Find the effective rate which is equivalent to nominal rate of 10% p.a. compounded monthly. [Given that:…2 mk
• Q4Consider the following hypothesis: H_0: μ=35 H_1: μ ≠ 35 A sample of 81 items is taken whose mean is 37.5 and the…2 mk
• Q5The following table shows the annual rainfall (in mm) recorded for Cherrapunji, Meghalaya: Determine the trend of…2 mk
• Q6Maximize z=3 x+4 y, if possible, subject to the constraints: x-y ≤-1 -x+y ≤ 0 x, y ≥ 02 mk
• Q7The supply function of a commodity is 100 p=(x+20)^2. Find the Producer’s Surplus (PS), when the market price is ₹ 25.…3 mk
• Q8Fit a straight line trend by the method of least squares and find the trend value for the year 2008 for the following…3 mk
• Q9Ten cartons are taken at random from an automatic packing machine. The mean net weight of the ten cartons is 11.8 kg…3 mk
• Q10Madhu exchanged her old car valued at ₹ 1,50,000 with a new one priced at ₹ 6,50,000. She paid ₹ x as down payment and…3 mk
• Q11In a certain culture of bacteria, the rate of increase of bacteria is proportional to the number present. It is found…4 mk
• Q12Calculate the EMI under ‘Flat Rate System’ for a loan of ₹ 5,00,000 with 10% annual interest rate for 5 years. OR A…4 mk
• Q13A start-up company invested ₹ 3,00,000 in shares for 5 years. The value of this investment was ₹ 3,50,000 at the end of…4 mk
• Q14A dietician wishes to mix two types of foods F_1 and F_2 in such a way that the vitamin content of the mixture contains…4 mk