Question 3 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7b4f59b460d7261e76a.png' /> From the above image, it can be seen that Madhre is standing in the middle of a bridge which is 20 m above the water level of a river. If a 35 m deep river is flowing under the bridge, then the vertical distance between the foot of Madhre and bottom level of the river is:

Question 4 :
For the two given numbers check whether their sum is between -11 and -4: (-2) and (-11).

Question 6 :
If a is an integer other than 1 and –1, $a\div(+1)$=

Question 7 :
An elevator descends into a mine shaft at the rate of 6 m/min. If the descent starts from 10 m above the ground level, how long will it take to reach – 350 m ?

Question 9 :
A water tank has steps inside it. A monkey is sitting on the topmost step (i.e., the first step). The water level is at the ninth step. He jumps 3 steps down and then jumps back 2 steps up. In how many jumps will he reach the water level?

Question 11 :
Replace the blank with an integer to make it a true statement: _____$\times\left(-12\right)=132$

Question 13 :
Write a negative integer and a positive integer whose sum is –5.

Question 17 :
Suppose we represent the distance above the ground by a positive integer and that below the ground by a negative integer, then answer the following - If it begins to descend from 15 m above the ground, what will be its position after 45 minutes?

Question 20 :
Use the sign of >, < or = in the blank to make the statement true: 23 - 41 + 11 _____ 23 - 41 - 11