Question 1. The marks obtained by 17 students in a mathematics test (out of 100) are given below:48, 66, 68, […]

Q1. What is the longest pole that can be put in a room of dimensions l = 10 cm, b

Q1.Find the area of a triangle whose sides are 5 cm, 6 cm, and 7 cm. Sol: s = 5 +

Q1. In the figure, if ∠ ACB = 35°, then find the measure of ∠ OAB. Ans: ∠AOB = 180° –

Question 1. In the adjoining figure, ABCD is a trapezium in which AB || DC. If ∠A = 35º and

Q.1. In a ΔABC, BC = CA and ∠ A = 50°, which is longer BC or AB?Sol. ∵ ∠ 1

Q.1. What is the measure of an angle whose measure is 32° less than its supplement?Sol. Let the required angle be

Question 1. What is the Euclid’s second axiom?Solution: The 2nd axiom is: “If equals be added to equals, the wholes are

Question 1. Show that x = 1, y = 3 satisfy the linear equation 3x – 4y + 9 =

Question 1. A point (other than zero) is such that [The abscissa of the point] = [The ordinate of the