CBSE Class 8 Mathematics Cubes and Cube Roots Assignment Set B

Q 1 Find the cube of 18. Q 2 Express 63 as the sum of odd numbers using the pattern given below. 1 = 1 = 13 3 + 5 = 8 = 23 7 + 9 + 11 = 27 = 33 13 + 15 + 17 + 19 = 64 = 43 21 + 23 + 25 + 27 + 29 = 125 = 53 Q 3 Show that 189 is not a perfect cube. Q 4 Find the number whose…

CBSE Class 8 Mathematics Cubes and Cube Roots Assignment Set F

1. The value of 453 – 653 – 203 is ____. (A) 175500 (B) – 191500 (C) 170000 (D) – 170000 Answer : B 2. If 3√−2744 ÷ 3√0.008 = x, then the value of x is ____. (A) 70 (B) – 70 (C) 14 (D) – 14 Answer : B 3. If (A) 10/3 (B) −10/3 (C) 3/15 (D) Both (A) and (B)…