STDs

NCERT Solutions for Class 7 Maths Chapter 14 Symmetry   NCERT Solutions for Class 7 Maths Chapter 14 Symmetry Exercise 14.1 Ex 14.1 Class 7 Maths Question 1. Copy the figures with punched holes and find the axis of symmetry for the following: Solution: The axis of symmetry is shown by following line. Ex 14.1 […]

NCERT Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes   NCERT Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Exercise 15.1 Ex 15.1 Class 7 Maths Question 1. Identify the nets which can be used to make cubes (Cut out copies of the nets and try it): Solution: Fig. (ii), (iii), […]

Statistics for Economics Class 11 NCERT Solutions Chapter 2 Collection of Data   Question 1. Frame at least four appropriate multiple choice options for following questions (i) Which of the following is the most important when you buy a new dress? (ii) How often do you use computers? (iii) Which of the newspapers do you […]

Statistics for Economics Class 11 NCERT Solutions Chapter 5 Measures of Central Tendency Question 1. Which average would be suitable in the following cases? (i) Average size of readymade garments. (ii) Average intelligence of students in a class. (iii) Average production in a factory per shift. (iv) Average wages in an industrial concern. (v) When […]

Statistics for Economics Class 11 NCERT Solutions Chapter 6 Measures of Dispersion Question 1. A measure of dispersion is a good supplement to the central value in understanding a frequency distribution. Comment. Answer: Dispersion is the extent to which values in a distribution differ from the avarage of the distribution. Knowledge of only average is […]

Statistics for Economics Class 11 NCERT Solutions Chapter 7 Correlation Question 1. The unit of correlation coefficient between height in feet and weight in kgs is (a) kg/feet (b) percentage (c) non-existent Answer: (c) Correlation coefficient (r) has no unit. It is a pure number. It meansss units of measurement are not part of r. […]

Statistics for Economics Class 11 NCERT Solutions Chapter 8 Index Numbers Question 1. An index number which accounts for the relative importance of the items is known as (i) weighted index (ii) simple aggregative index (iii) simple average of relatives Answer: (i) An index number becomes a weighted index when the relative importance of items […]

NCERT Solutions for Class 12 Macro Economics Money NCERT TEXTBOOK QUESTIONS SOLVED 1. What is Barter system? What are its drawbacks? [3 Marks] Ans:Barter system of exchange is a system in which goods are exchanged for goods. It’s Drawbacks are: Lack of double coincidence of wants.  Lack of divisibility.  Difficulty in storing wealth.  Absence of […]

NCERT Solutions for Class 12 Macro Economics Banking NCERT TEXTBOOK QUESTIONS SOLVED 1. Explain the functions of a commercial bank? Ans: Deleted from syllabus. 2. What is money multiplier? How will you determine its value? What ratios play an important role in the determination of the value of the money multiplier? [3-4 Marks] Ans: When the […]