# All India Class 8 Group

None of them

## Use suitable identity to evaluate 992.a)9801        b)10199c)10201d)10001Correct answer is option 'A'. Can you explain this answer?

You need an identity to solve this!
99² = (100-1)²
(Using Identity) (a-b)²= a²-2ab+b²
(100)²-2(100)(1)+(1)²
= 10000-200+1
= 10001-200
= 9801

Therefore, option A is the correct answer!

## Tissue is a       a)  Group of organs       b)  Group of cells       c)  Group of tissues       d)  Group of organismsCorrect answer is option 'B'. Can you explain this answer?

Option is b beacause all the cells combine together to form a tissue!

## A cuboid shaped wooden block has 6 cm length, 4 cm breadth and 1 cm height. Two faces measuring 4 cm × 1 cm are coloured in black. Two faces measuring 6 cm × 1 cm are coloured in red. Two faces measuring 6 cm × 4 cm are coloured in green. The block is divided into 6 equal cubes of side 1 cm (from 6 cm side), 4 equal cubes of side 1 cm (from 4 cm side).How many cubes will remain if the cubes having black and green coloured are removed?a)4b)8c)12d)16Correct answer is option 'D'. Can you explain this answer?

Solution:
Total number of Cubes in a Cuboid shaped wooden block=24
Clearly in the figure Upper and lower faces of Cuboid are coloured with green colour and left and right face of Cuboid are coloured with black.
By Question, if cubes having black and green coloured are removed ,then Clearly total number of cubes removed will be 8.
Therefore, Total number of cubes remained in th
... more

## Common tick fever is caused by___________.a)Protozoan Babesiab)Protozoan Eimeriac)Bacterium Corynebacteriumd)TapewormCorrect answer is option 'A'. Can you explain this answer?

When ae search on google it says bacterium Francicella Tularensis. Is Protozoan Babesia Correct or. not.

2,4,6,8etc.....

## Email stands for:a)Easy mailb)Electronic mail c)Electric maild)None of theseCorrect answer is option 'A'. Can you explain this answer?

Email (electronic mail) is the exchange of computer-stored messages from one user to one or more recipients via the internet.

## Simplify:  ((1/3)-2 - (1/2)-3)/ (1/4)-2a)16b)8c)1/16d)none of theseCorrect answer is option 'C'. Can you explain this answer?

Given [(1/3)^-2 - (1/2)^-3]/(1/4)^-2
= [(3/1)^2 -(2/1)^3]/(4/1)^2
=(9-8)/16
=1/16
Hence option 'C' is the correct answer

## Are Lord Hastings and Warren Hastings the same?

Yes they are same
only people sometimes used to say lord Warren Hastings and some people seperated the both terms

A

Tamil questions

Air

## Who founded the Maratha Kingdom in the 17th century CE?a)Mangal Pandeyb)Chandrgupta Mauryac)Shivajid)Tipu SultanCorrect answer is option 'C'. Can you explain this answer?

Chatter patient Shiva ji

Magnesium

Why

## When a pair of shoes is sold at 12.5 % discount,the selling price is 7,875find. The marked price of the pair of shoes?

sp=7875
cp=x
discount=12.5
Sp=100-12.5/100×x
7875=87.5/100×x
7875×100/87.5
=9000

Supreme court