Find `84 - (98)`

Calculate the following. 98 div (-49)

Find the LCM of the following numbers by division method.84, 112, 196,

Find the LCm and HCF of the following integers by the prime factorisation method. 84 and 108

Find the LCM of the following numbers by division method. i. 84, 112, 196 ii. 102, 119, 153 iii. 45, 99, 132, 165

Test scores out of 100 for a class of 19 students are as follows: 93, 84, 97, 98, 100, 78, 86, 100, 85, 92, 55, 91, 90, 75, 94, 93, 60, 81, 95 (a) Make a frequency table taking class interval as 91-100, 81-90, ... (b) Find the modal class (The "Modal class" is the class containing the greatest frequency). (c) find the interval that contains the median.

Add without using number line: (-117)+(+98)

The diameter of a roller is 84 cm and its length is 120 cm. It takes 500 complete revolutions to roll once over the play ground to level. Find the area Of the play ground in m^2

Find the square roots of the decimal number. 51.84