# Category Archives: School Learning

Question 1. In which of the following tables x and y vary inversely: i) x 4 3 12 1 y 6 8 2 24 Solution:â€¦ Read More
Question 10. A classroom is 11 m long, 8 m wide, and 5 m high. Find the sum of the areas of its floor andâ€¦ Read More
Question 1. Find the surface area of a cuboid whose (i) length = 10 cm, breadth = 12 cm, height = 14 cm(ii) length =â€¦ Read More
Question 1. Construct the composition table for Ã—4 on set S = {0,1,2,3}. Solution: Given that Ã—4  on set S = {0, 1, 2, 3}â€¦ Read More
Chapter 9 Linear Equation In One Variable – Exercise 9.4 | Set 1 Question 14. I am currently 5 times as old as my son.â€¦ Read More
Question 1. A coin is tossed once. Write its sample space. Solution:  Since, a coin has two faces either head or tails. So, if theâ€¦ Read More
Chapter 13 Profit Loss Discount And Value Added Tax – Exercise 13.1 | Set 1 Question 11. If the selling price of 18 oranges isâ€¦ Read More
Question 1. A student buys a pen for Rs. 90 and sells it for Rs. 100. Find his gain and gain percent? Solution: Given, theâ€¦ Read More
Question 1: Express each number as a product of its prime factors: (i) 140 (ii) 156 (iii) 3825 (iv) 5005 (v) 7429 Solutions: (i) 140â€¦ Read More
Question 13. A box contains 1 red and 3 black balls. Two balls are drawn at random in succession without replacement. Write the sample space forâ€¦ Read More
Question 1. Which of the following sentences are statements? Give reasons for your answer? Note: A sentence is called mathematically acceptable statement if it isâ€¦ Read More
Question 1: In given Fig. ABCD is a parallelogram, AE âŠ¥ DC and CF âŠ¥ AD. If AB = 16 cm, AE = 8 cmâ€¦ Read More
Question 1: A-line passes through a point A (1, 2) and makes an angle of 60Â° with the x-axis and intercepts the line x +â€¦ Read More
Question 1: Find the value of x for which (8x + 4), (6x â€“ 2) and (2x + 7) are in A.P. Solution: Since (8xâ€¦ Read More
Question 1. Two circles of radii 5cm and 3cm intersect at two points and the distance between their centers is 4 cm. Find the lengthâ€¦ Read More