CBSE > Class 08 > Mathematics | CBSE Board | Homework Help

Let the two numbers are in the ratio of 8:3 Ist no. - 8x 2nd no.- 3x ATQ. 8x+3x= 143 11x= 143 X= 143/11 x= 13 Hence, 1st no.= 8x 8*13= 104 2nd no.= 3x 3*13= 39

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A scoter was bought at ₹42,000 .Its value depreciated at the rate of 8%per annum.Find Its value after one year

Posted by Aditya Goyal 2 weeks, 5 days ago

CBSE > Class 08 > Mathematics

1 answers

Kalpna Devi 2 weeks, 3 days ago

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Value of 1 5

Posted by Shubh Jain 3 weeks ago

CBSE > Class 08 > Mathematics

1 answers

Adwitiya Kumar 3 weeks ago

Fifteen

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The sum of the digit of a two digit number is 12.if the new number formed by reversing the digit and s greater than the original number by 18. Find the original number

Posted by Anuj Kumari 3 weeks ago

CBSE > Class 08 > Mathematics

1 answers

Adwitiya Kumar 3 weeks ago

57?

1Thank You

ANSWER

What should be added to -7/12 to get 5/6

Posted by Aman .. 3 weeks, 2 days ago

CBSE > Class 08 > Mathematics

2 answers

Avni Bhatnagar 3 weeks, 2 days ago

The answer is 17/12

3Thank You

Avni Bhatnagar 3 weeks, 2 days ago

-17/12 is the answer

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125×40×8×25

Posted by Lavanya Puri 3 weeks, 2 days ago

CBSE > Class 08 > Mathematics

1 answers

Ashish Kumar 3 weeks, 1 day ago

1000000

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Sudha is twice as old as garima 10 year ago sudha was 3 times as old as garima find present age of there

Posted by Gurjot Virk 3 weeks, 3 days ago

CBSE > Class 08 > Mathematics

1 answers

Ansh Koundal 3 weeks, 3 days ago

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(-2/9×27/-16

Posted by Abhijeet Giri 3 weeks, 3 days ago

CBSE > Class 08 > Mathematics

1 answers

Bijatri Malakar 3 weeks, 3 days ago

-2/9 ×27/26 = 3/8

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The number of boys and girls in a class are the ratio 7:5 the number of boys is 8 more than the number of girls what is the total class 10th

Posted by Adhyan Palandurkar 2 weeks, 4 days ago

CBSE > Class 08 > Mathematics

1 answers

Simran Kashyap 3 weeks, 3 days ago

750

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The ages of Rahul and haroon are in the ratio 5:7. Four years letter the sum of their ages will be 56 years. What are their present ages

Posted by Adhyan Palandurkar 3 weeks, 4 days ago

CBSE > Class 08 > Mathematics

2 answers

Atanu Swopnjit Pallaur 1 week, 3 days ago

Rahul age =(5x + 4) Haroon age =(7x + 4) Add two equations = 5x+4 + 7x+4 = 12x + 8 = 56 12x = 56-8 12x= 48 X= 48/12 X= 4 Rahul age is = 5×4 = 20 Haroon age is = 7×4 = 28

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Royal Royals 🚘 2 weeks, 6 days ago

20,28. Years

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Three consecutive integers add up to 51.what are these integrs

Posted by Amrit Ray 3 weeks, 4 days ago

CBSE > Class 08 > Mathematics

2 answers

Atanu Swopnjit Pallaur 1 week, 3 days ago

X+X+1+X+2 = 51 3x+3=51 3x=51- 3 3x=48 x=48/3 x=16 Second consecutive number is = x+1 = 16+1 = 17 Third consecutive number is = x+1= 16+2 = 18

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Bijatri Malakar 3 weeks, 3 days ago

Let First integer be x second be x+1, third be x+2 . Sum of integer = 51 . X +x+1x+2=51 .3x+3 =51. 3x =51-3=48. 3x=48.x =48/3. X = 16. The value of x =16,x+1 =16+1=17, x+2=16+2 =18

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The product of two rational number is -8 . 9 If one of them is 10, find the 3 Other.

Posted by Aadhya Sharma 3 weeks, 4 days ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

(2/11*-22/15)+(-1/6*3/4)+(-1/21*-3/5) solved

Posted by Damam Deep 3 weeks, 5 days ago

CBSE > Class 08 > Mathematics

1 answers

Adwitiya Kumar 3 weeks, 5 days ago

The answer that I got after solving is 13

2Thank You

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Exercise 2.3 questions 8,9,10

Posted by Nilesh Prajapati 3 weeks, 5 days ago

CBSE > Class 08 > Mathematics

1 answers

Bijatri Malakar 3 weeks, 3 days ago

8) 2x/3+1=7x/15+3.=>2x/3-7x/15=3-1.=>10x/15-7x/15=3-1.=>3x/15=2.=>x=2×15/3.=> X=10

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(2) ( 2 3 + 7 15 )+ 1 4 =( 2 5 + 1 4 )+ underline ***

Posted by Harshita Verma 3 weeks, 6 days ago

CBSE > Class 08 > Mathematics

1 answers

G.Jaya Niranjan G.Jaya Niranjan 3 weeks, 5 days ago

122246

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Five years ago, Amit was three times as old as Armaan. Ten years later Amit would be twice as old as Armaan. How old are they now?

Posted by Vasavi Narlawar 4 weeks ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

16/21 divide -32 /35

Posted by Vani Dahiya 4 weeks, 1 day ago

CBSE > Class 08 > Mathematics

2 answers

Adwitiya Kumar 3 weeks, 5 days ago

-⅚

1Thank You

Nandni Mathur 4 weeks ago

16/21 ÷-32/35 -32/35 will reciprocal into -35/32 Then, 16 cut 32 and 21 and -35 cut from 7 And the answer will be -5/6

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A VCR and TV were bought for ₹8,000 each.The shopkeeper made a loss of 4%on the VCR and a profit of 8%on th TV .Find the gain or loss percent on the whole transaction.

Posted by Aditya Goyal 1 month ago

CBSE > Class 08 > Mathematics

2 answers

Aditya Goyal 3 weeks, 6 days ago

Answer 2%hai

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Nandni Mathur 4 weeks ago

On VCR we have loss of ₹320 And on TV we have a profit of ₹640

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12 square

Posted by Md Mobin 1 month ago

CBSE > Class 08 > Mathematics

4 answers

Raman Kumar 3 weeks, 2 days ago

12×12=144

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Ranu Kashyap 3 weeks, 4 days ago

144

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Nandni Mathur 4 weeks ago

12×12 = 144

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Aditya Goyal 1 month ago

144

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(-7/11+2/-5)+ -3/22 = -7/11+ (2/-5+ -3/22)

Posted by Somyajit Bose 1 month ago

CBSE > Class 08 > Mathematics

2 answers

Adwitiya Kumar 3 weeks, 5 days ago

The answer that I got After solving is that LHS =-129/110= RHS.

1Thank You

Arsh Deep 1 month ago

Xxxx

1Thank You

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what is the product of additive inverse of -3/23 and multiplicative inverse of -3/23

Posted by Khushil Gajera 1 month ago

CBSE > Class 08 > Mathematics

2 answers

Nandni Mathur 4 weeks ago

If you questioned product of Then, answer would be -1

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Nicky Talra 1 month ago

Additive inverse is the 3/23 and multiplicative inverse is 23/3

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Ha ham nahi samajta

Posted by Raju Majundar 1 month ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

How to calculate average

Posted by Chetan Jha 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Nicky Talra 1 month ago

Sum of all numbers/ total numbers

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5 , find five rational numbers between (i) 2/3 and 4/5

Posted by Sasisasi Sasisasi 1 month ago

CBSE > Class 08 > Mathematics

2 answers

Nandni Mathur 4 weeks ago

First step is take LCM of denominator Second step is make number line Third step is if in your rational numbers have numbers between them . Then it's ok Fourth step is multiply both sides with 10 and then you see many rational numbers comes between the two rational numbers

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Anuj/Khushi Gupta 4 weeks ago

2/3X15=30/45 4/5X9=36/45 31/45,32/45,33/45,34,45/35/45

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How to convert decimal no. Into binary number

Posted by Chetan Jha 1 month ago

CBSE > Class 08 > Mathematics