11th maths model question for 1st midterm test

Find the distance between the points (3,4),(1,7)

The mean of the following distribution is 62.8 find the value of x
Class lntervals.                Frequency 
0-20                                     5
20-40                                   8
40-60                                   x
60-80                                   12
80-100.                                  7
100-120.                                 8

What is a Ecluid geometry 

ex 13.1. Q9

A b and a-b is equals to what

Clear nahi hai

Cos60°   sin90°   tan60°

The product of two number is 480. Their HCF is 4.Find their LCM.

How

Class9,1.1

What are the conditions for the lines to be intersecting parallel and coincident relating with their Co efficient and constant

What are the conditions for the lines to be intersecting parallel and coincident relating with their Co efficient and constant

Integral of √25-x²/x²dx

Execute 

Why we do this question by Pythagoras theorm

can i get a notification no. of exemption on transport service of igst.

e ki power tan inverse x upon 1 x square