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Exercise 9.2 question 8,9,10

Posted by Gaurav Kesharwani 6 years, 10 months ago

CBSE > Class 07 > Mathematics

1 answers

Gaurav Seth 6 years, 10 months ago

You can check ncert solutions of Maths in mycbseguide app or website.

ANSWER

Inner city 30% male and 40% females remaining are children's how much remaining

Posted by Deepak Kumar 6 years, 10 months ago

CBSE > Class 07 > Mathematics

3 answers

Rajendra Nage 6 years, 10 months ago

Given city Percent of female =30% Percent of male =40% Percent of children = (100-30+40)% = (100-70)% =30%

Ayushi Kapoor 6 years, 10 months ago

Total=100% Females=40% Males=30% Children=100-(30+40) =100-70 =30 Children =30%

Yogita Ingle 6 years, 10 months ago

Total population =100%
Females and males 40% + 30%
Children population = 100% - ( 40% + 30%)
Children population = 30%

ANSWER

Innocity x** mail and 40% of female remaining are children's how much are children

Posted by Deepak Kumar 6 years, 10 months ago

CBSE > Class 07 > Mathematics

0 answers

ANSWER

A box has 6 red and 3 black marbles.One marble is selected at random .Find the probability that the selected marble is: red,black

Posted by Gautam Singh 6 years, 10 months ago

CBSE > Class 07 > Mathematics

0 answers

ANSWER

A bicycle wheel makes 5000 revolutions in moving 11 km.Find the circumference and the diameter of the wheel.

Posted by Nasim Aktar 6 years, 10 months ago

CBSE > Class 07 > Mathematics

0 answers

ANSWER

Find S.P. When 1-S.P.=₹12;gain=20%

Posted by Prince Singh 6 years, 10 months ago

CBSE > Class 07 > Mathematics

1 answers

Saanvi Goyal 6 years, 10 months ago

14.4

ANSWER

a water sprinkler in a lawn sprays water as far as 5 m in all directions. find the length of the outer edge of wet grass.

Posted by Zoya Khan 6 years, 10 months ago

CBSE > Class 07 > Mathematics

1 answers

Niyati Niyati 6 years, 10 months ago

2πr = 2×314/ 100 × 5 = 31.4

ANSWER

AR =

Posted by Devanshi Bhudiya 6 years, 10 months ago

CBSE > Class 07 > Mathematics

1 answers

Devanshi Bhudiya 6 years, 10 months ago

PE .

ANSWER

What is the value of pai in maths

Posted by Bhuvan T M 6 years, 10 months ago

CBSE > Class 07 > Mathematics

2 answers

Vaibhav Krishna 6 years, 10 months ago

22/7 and 3.14

Abhinav Chouhan 6 years, 10 months ago

22/7or 3.14

ANSWER

How much distance encloses in metere of wheel radius 21m will cover it rotates 450 times

Posted by Arya Narang 6 years, 10 months ago

CBSE > Class 07 > Mathematics

0 answers

ANSWER

The are of a circle is 78.5 sq. cm. What is the radius of the circle (use pie 3.14)

Posted by Piyush Goel 6 years, 10 months ago

CBSE > Class 07 > Mathematics

2 answers

Avantika Tayal 6 years, 10 months ago

Radius = 5cm

Priyasha Kant 6 years, 10 months ago

May be 12.5 cm

ANSWER

1500mins

Posted by Riddhi Parakh 6 years, 10 months ago

CBSE > Class 07 > Mathematics

1 answers

Siddhant Mankar 6 years, 10 months ago

What is numder

ANSWER

Solve: 3x+2x/5 +87 -2x

Posted by Arusha Shakya 6 years, 10 months ago

CBSE > Class 07 > Mathematics

0 answers

ANSWER

Zero is greater than every integer

Posted by Aman Maurya 6 years, 10 months ago

CBSE > Class 07 > Mathematics

5 answers

Ashutosh Pathak 6 years, 10 months ago

No

Anamika Vairagi 6 years, 10 months ago

No

Ram Kushwah 6 years, 10 months ago

Zero is greater than all negative integers and less than all positive integers

( I drawn this figure to remove your confusion)

Prahalad Singh 6 years, 10 months ago

No

Avantika Tayal 6 years, 10 months ago

No

ANSWER

Simple equation :6x -17=13

Posted by Manoj Das 6 years, 10 months ago

CBSE > Class 07 > Mathematics

4 answers

Ashutosh Pathak 6 years, 10 months ago

X=5

Ayushi Kapoor 6 years, 10 months ago

6x=13+17,6x=30,x=30/6,x=5

Prahalad Singh 6 years, 10 months ago

6x=13+17 ,6x=30, :x=30/6=5

Avantika Tayal 6 years, 10 months ago

6x=13+17 ; 6x=30 ; x=5

ANSWER

2+65

Posted by Mahi Singh 5 years, 8 months ago

CBSE > Class 07 > Mathematics

5 answers

Sandhya Pathak 6 years, 10 months ago

67

Mitul Goyal 6 years, 10 months ago

Your answer is also wrong Gaurisa. Don't be overconfident

Niyati Niyati 6 years, 10 months ago

65 You are in 7 class and u don' t know such simple addition which nursery kids know ??

Anamika Vairagi 6 years, 10 months ago

67

Avantika Tayal 6 years, 10 months ago

67

ANSWER

2x+5=5x-2 find value of x

Posted by Shantam Srivastava 6 years, 10 months ago

CBSE > Class 07 > Mathematics

2 answers

Arusha Shakya 6 years, 10 months ago

2x - 5x = -2 - 5 -3x = -7 x = 7/3

Prahalad Singh 6 years, 10 months ago

2x-5x=-2-5, -3x=-7, x=7/2

ANSWER

X+2=4 find × value

Posted by Lucky Singh 6 years, 10 months ago

CBSE > Class 07 > Mathematics

4 answers

Kaavya Joshi 6 years, 10 months ago

X+2=4 Value of X X=4-2 X=2 Verifying Taking X = 2 2+2=4

Ayushi Kapoor 6 years, 10 months ago

x=4-2,x=2

Ananya A 6 years, 10 months ago

X+2=4 X=4-2 =2

Sahil Dhudse 6 years, 10 months ago

X+2=4-2 X=4-2 X=2 :x value is (2)

ANSWER

How to cunstruct 105 degree

Posted by Lawanya Chandrakar? 6 years, 10 months ago

CBSE > Class 07 > Mathematics

1 answers

Sandhya Pathak 6 years, 10 months ago

You can constuct 105 degree by a protracter

ANSWER

Construct an isosceles triangle ABC such that AB=AC=5cm and BC =6.5cm. Measure all the angles

Posted by Abhinav Chouhan 6 years, 10 months ago

CBSE > Class 07 > Mathematics

0 answers

ANSWER

Equal sums of rupees 7200 were lent to Amit and sumit at 5percent for a period of 3years and 4years ,respectively. Find the difference of the interest paid by Amit and sumit

Posted by Gautam Singh 6 years, 10 months ago

CBSE > Class 07 > Mathematics

0 answers

ANSWER

Equal sums of rupees 7200 were lent to Am

Posted by Gautam Singh 6 years, 10 months ago

CBSE > Class 07 > Mathematics

0 answers

ANSWER

How to solve pythagoras theroum

Posted by Sandeep Bhati 6 years, 10 months ago

CBSE > Class 07 > Mathematics

2 answers

Arusha Shakya 6 years, 10 months ago

(Perpendicular)^2 + (Base)^2 = ( Hypotenuse)^2

Shantam Srivastava 6 years, 10 months ago

Hypotenuse ka square=perpendicular square+base square

ANSWER

A car covers 325 km in 5 hours . How long will it take to cover 1300 km

Posted by Gautam Singh 6 years, 10 months ago

CBSE > Class 07 > Mathematics

2 answers

Yogita Ingle 6 years, 10 months ago

distance = 325 , time = 5 hours
Speed of car = distance /time = 325/5 = 65 km/hr
Time to cover 1300 km distance =1300/65
= 20 hr
20 Hours to complete 1300 km , since speed of the car is 65 km/h

Ram Kushwah 6 years, 10 months ago

325 km covers in =5 hrs

so 1 km in =5/325 hrs

1300 in = 5/325 x 1300

= 20 hrs

ANSWER

A verandah of weight 2.25 M is constructed all along outside a room which is 5.5 M long a 4 m wide find the area of an under and the cost of cementing the floor of verandah at the rate of rupees 200 per metre square

Posted by Abhi Dhillon 6 years, 10 months ago

CBSE > Class 07 > Mathematics

0 answers

ANSWER

If tanA +cotA=2 , find the value of tan^2A +cot^2A.

Posted by Rajesh Kannaujiya 6 years, 10 months ago

CBSE > Class 07 > Mathematics

0 answers

ANSWER

Draw a line XY parallel to line AB at a distance of 4 cm from it

Posted by Rekha Singh 6 years, 10 months ago

CBSE > Class 07 > Mathematics

0 answers

ANSWER

The area of a rectangular sheet is 500cm if the length of the sheet is 25 cm what is its width ?

Posted by Lakshay Talwar 6 years, 10 months ago

CBSE > Class 07 > Mathematics

2 answers

Ayushi Kapoor 6 years, 10 months ago

Width=Area/length Width=500/25 =20cm

Pradnya Dighe 6 years, 10 months ago

Area of rectangular sheet=500cm Length=25cm Width= area÷width . = 500÷ 25 . = 20cm Ans: Width is 20cm.

ANSWER

How to understand about (-1*-1) 500 times what will be the answer

Posted by Shagun Maheshwari 6 years, 10 months ago

CBSE > Class 07 > Mathematics

1 answers

Dharmendra Kushwaha 6 years, 10 months ago

1

ANSWER

2/2

Posted by Sweta Rao 6 years, 10 months ago

CBSE > Class 07 > Mathematics

1 answers

Shagun Maheshwari 6 years, 10 months ago

How we should understand about (-1*1*-1)500times what will be the answer

ANSWER

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