MATHS (R K FAI)

Q1 . Construct a rectangle whose diagonal is 5 cm and the angle between the diagonal is 50° . Solution: Construction: Step I: Draw AC = 5 cm...

the water in a rectangular reservoir having a base 80 m by 60 m is 6.5 m deep . in what time be emptied by a pipe of which the crosssection ...

1. Who is the Father of Mathematics? Answer: Archimedes 2. Who discovered Zero (0)? Answer: Aryabhatta, AD 458 Explanation : Aryabhatta inve...

1. The diagonal of a quadrilateral shaped field is 24 m and the perpendiculars dropped on it from the remaining opposite vertices are 6 m an...

Chapter 1 Knowing Our Number This section is designed to make students aware of various complex values of the number and this section includ...

1. Find the HCF of 56 and 814 A) 14 B) 28 C) 42 D) 70 2. Which of the following is not irrational- A) 2 (2- √3) B) (√2+√3)² C) (√2-√3...

1.1 PROGRESSIONS :   Those sequence whose terms follow certain patterns are called progression. Generally there are three types of progress...

1. Use Euclid’s division algorithm to find the HCF of : (i) 56 and 814 (ii) 6265 and 76254 2. Find the HCF and LCM of following using Fundam...