Q) The discus throw is an event in which an athlete attempts to throw a discus. The athlete spins anti-clockwise around one and a half times through a circle, then releases the throw. When released, the discus travels along tangent to the circular spin orbit. In the given figure, AB is one such tangent to […]
Class 10th
Q) While designing the school year book, a teacher asked the student that the length and width of a particular photo is increased by x units each to double the area of the photo. The original photo is 18 cm long and 12 cm wide. Based on the above information, answer the following questions: (i)
Class 10 Mathematics Chapter 1 – Real Numbers Exercise 1.2 1). Express each number as a product of its prime factors: (i) 140(ii) 156(iii) 3825(iv) 5005(v) 7429 Solution: (i) 140: To find the prime factorization of 140, we can use either trial division or prime decomposition (factor tree). Let’s use prime decomposition here: Factor tree
NCERT Solutions: Class 10 Mathematics Chapter 1 – Real Numbers Exercise 1.2 Read More »