Chapter 6 Indices Set 6.2
Chapter 6 Indices Set 6.2 Question 1. Simplify: Solution: i. 74 × 72 = 74+2 = 76 ii. (-11)5 × (-11)2 = (-11)5+2 = (-11)7 v. a16 × a7 =…
Chapter 6 Indices Set 6.1
Chapter 6 Indices Set 6.1 Question 1. Complete the table below: Sr. No. Indices (Numbers in index form) Base Index Multiplication form Value i. 34 3 4 3 x 3…
Chapter 5 Operations on Rational Numbers Set 5.4
Chapter 5 Operations on Rational Numbers Set 5.4 Question 1. Simplify the following expressions. i. 50 x 5 ÷ 2 + 24 ii. (13 x 4) ÷ 2 – 26…
Chapter 5 Operations on Rational Numbers Set 5.3
Chapter 5 Operations on Rational Numbers Set 5.3 Question 1. Write the following rational numbers in decimal form. Solution: i. 13/4 ii. -7/8 iii. 73/5 iv. 5/12 v. 22/7 vi.…
Chapter 5 Operations on Rational Numbers Set 5.2
Chapter 5 Operations on Rational Numbers Set 5.2 Question 1. Write three rational numbers that lie between the two given numbers. Intext Questions and Activities Question 1. Answer the following…
Chapter 5 Operations on Rational Numbers Set 5.1
Chapter 5 Operations on Rational Numbers Set 5.1 Question 1. Carry out the following additions of rational numbers: ii. 12/3 +24/5 iii. 11/17 + 13/19 iv. 23/11 + 13/77 Question…
Chapter 4 Angles and Pairs of Angles Set 4.7
Chapter 4 Angles and Pairs of Angles Set 4.7 Question 1. ∠ACD is an exterior angle of ∆ABC. The measures of ∠A and ∠B are equal. If m∠ACD = 140°,…
Chapter 4 Angles and Pairs of Angles Set 4.6
Chapter 4 Angles and Pairs of Angles Set 4.6 Question 1. Lines AC and BD intersect at point P. m∠APD = 47° Find the measures of ∠APB, ∠BPC, ∠CPD. Solution:…
Chapter 4 Angles and Pairs of Angles Set 4.5
Chapter 4 Angles and Pairs of Angles Set 4.5 Question 1. Draw the pairs of angles as described below. If that is not possible, say why. i. Complementary angles that…
Chapter 4 Angles and Pairs of Angles Set 4.4
Chapter 4 Angles and Pairs of Angles Set 4.4 Question 1. Name the pairs of opposite rays in the figure alongside. Solution: Ray PL and ray PM Ray PN and…