Find the ratio of the following : (a) 81 to 108 (b) 98 to 63 (c) 33 km to 121 km (d) 30 minutes to 45 minutes
Find the HCF of the following numbers: 18,54,81
Find the median of the following data 133,73,89,108,94,104,94,85,100,120
By using an appropriate identity , find the following : 92 xx 108
Find the ratio of the shaded portion to the unshaded portion in Fig. 8.1
Find the factors of following equations. 4x^4-81
The areas of two similar triangles are 81cm^(2) and 49cm^(2) respectively.Find the ratio of their corresponding heights.What is the ratio of their their corresponding medians?
Cost of a dozen red pens is Rs. 108 and cost of 9 black pens is Rs.54. Find the ratio of cost of a red pen to the cost of a black pen.
