ML Aggarwal ICSE Solutions Class 10 Math 20th Chapter Measures of Central Tendency Exercise- 21.1 (1) Calculate the arithmetic mean of 5, 7, 6.6, 7.2, 9.3, 6.2 Solution: Given observations are 5, 7, 6.6, 7.2, 9.3, 6.2 sum of observations = (5 + 7 + 6.6 + 7.2 + 9.3 + 6.2) = 35 Arithmetic […]

ML Aggarwal ICSE Solutions Class 10 Math 20th Chapter Height and Distance Chapter – 20 [Height and Distance] (1) An electric pole is 10m high. If its shadow is 10√3 m in length, find the elevation of the sun. Solution: Given that, An electric pole is 10m high and its shadow is 10√3m in length. […]

ML Aggarwal ICSE Solutions Class 10 Math 18th Chapter Trigonometric Identities Chapter 18 – Trigonometric Identities (1) If A is an acute angle and sin A = 3/5, find all other trigonometric ratios of angle A. Solution : Given that, Sin A = 3/5 In △ABC, ∠B = 90° AC = 5cm and BC = […]

ML Aggarwal ICSE Solutions Class 10 Math 13th Chapter Similarity Exercise 13.1 (1) State which pairs of triangles in the figure given below are similar. Write the similarity rule used and also write the pairs of similar triangles in symbolic form (all lengths of sides are in cm). Solution: In △ABC and △PQR, AB/PQ = […]

ML Aggarwal ICSE Solutions Class 10 Math 7th Chapter Ratio and Proportion Exercise 7.1 (1) An alloy consists of 27 ½ Kg of copper and 2 ¾ Kg of tin find the ratio by weight of Tin to the alloy. Solution: An alloy consists of copper = 27 1/2 Kg = 55/2 kg and tin […]

ML Aggarwal ICSE Solutions Class 10 Math 6th Chapter Factorisation Exercise:  (1) Find the remainder (without division) on dividing f(x) by (x-2) where  (i) f(x) = 5×2 – 7x + 4 (ii) f (x) = 2×3 – 7×2 + 3 Solution: Given that, x – 2 =0 x = 2 (ii) Put x = 2 […]

ML Aggarwal ICSE Solutions Class 10 Math 4th Chapter Linear Inequations Exercise: (1) Solve the inequation (3x -11) < 3, where x∈ (1, 2, 3,….10}. Also represent its solution on a number line. Solution: Given in equation is (3x -11) <3, Where x∈ {1, 2, 3,  …….., 10} (3x – 11) <3 = 3x < […]

ML Aggarwal ICSE Solutions Class 10 Math 2nd Chapter Banking Exercise: (1) Mrs. Goswami deposits Rs. 1000 every month in a recurring deposit, account for 3 years at 8% interest per annum. Find the matured value. Solution: Here, given that Mrs. Goswami deposits Rs. 1000 every month in a recurring deposit account for 3 years […]

ML Aggarwal ICSE Solutions Class 10 Math 1st Chapter GST Exercise (1) An article is marked at 15,000. A dealer sells it to a consumer at 10% profit. If the rate of GST is 12%, find: (i) The selling price (excluding tax) of the article. (ii) The amount of tax (under GST) paid by the […]