# Free Doubts and Solutions

### ICSE - VI - History and Civics

## How is trading nowadays and how is trading during Harappan Civilization

**ibaralammd**18th June 2021, 12:10 AM

### CBSE - VIII - Mathematics

## the sides (other than hypotenuse) of a right triangle are in the ratio 3:4. A rectangle is described on its hypotenuse, the hypotenuse being the longer side of the rectangle. The breath of the rectangle is four-fifth of tis length. Find the shortest side of the right triangle, if the perimeter of the rectangle is 90 cm

**anantgaming132**17th June 2021, 10:33 PM

### CBSE - IX - History

## I am not able to understand history videos (french revolution) as the voice is feeble

**rajeshpalayad**17th June 2021, 9:20 PM

### CBSE - IX - Chemistry

## Why is the crystallization technique considered better than simple evaporation to purify solids?

**rajeshpalayad**17th June 2021, 8:48 PM

### CBSE - XII Science - Chemistry

## Write the IUPAC name of the given compound.

**hitanshu04**17th June 2021, 7:20 PM

### CBSE - VIII - Mathematics

## what will be the ones digits of the squares of the following numbers a. 3156. b. 2248. c. 43434. d. 71890. e. 99899

**deepsikhab71.8cpsb**17th June 2021, 5:35 PM

### Junior - I - General Science

## Describe what are the difference between sunflower plants and lemon tree

**nandini.sharma5878**17th June 2021, 4:34 PM