National Science Olympiad Forum By SOF Olympiad Trainer

# User Forum

Subject :NSO    Class : Class 4

Class : Class 4
The answer is c

## Ans 2: (Master Answer)

Class : Class 1
The correct answer is B.

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Subject :NSO    Class : Class 4

Class : Class 6

## Ans 2:

Class : Class 6
Can you tell the answer to this question

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Subject :NSO    Class : Class 6

## Ans 1:

Class : Class 7
Here opt c is correct as if we add all the digits of the no.s in the opt a , b, and d the result is 29 where opt c gives the result 27. Thus, the odd one is the opt c.

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Subject :NSO    Class : Class 5

Class : Class 6

Class : Class 6

Class : Class 7
very confusing

Class : Class 6

## Ans 5:

Class : Class 7
Everyone , pay attention . In this question , the BODMAS rule ( Bracket , Off , Division , Multiplication , Addition , Subtraction ) is used . Let me explain it . First transform all the signs . The ans . comes 36 - 12 -:- 4 6 -:- 2 x 3 . First we have to do division , then multiplication , then addition and then subtraction . Therefore :-36 - 12 -:- 4 6 -:- 2 x 3 \l/36 - 3 3 x 3 \l/ 36 - 3 9 \l/ 36 - 12 \l/ 24

## Ans 6:

Class : Class 6
it is really confusing

Class : Class 5
very confusing

## Ans 8:

Class : Class 7
it is confusing ya

## Ans 9:

Class : Class 7
Everyone , pay attention . In this question , the BODMAS rule ( Bracket , Off , Division , Multiplication , Addition , Subtraction ) is used . Let me explain it . First transform all the signs . The ans . comes 36 - 12 -:- 4 6 -:- 2 x 3 . First we have to do division , then multiplication , then addition and then subtraction . Therefore :-36 - 12 -:- 4 6 -:- 2 x 3 \l/36 - 3 3 x 3 \l/ 36 - 3 9 \l/ 36 - 12 \l/ 24

## Ans 10:

Class : Class 7
Everyone , pay attention . In this question , the BODMAS rule ( Bracket , Off , Division , Multiplication , Addition , Subtraction ) is used . Let me explain it . First transform all the signs . The ans . comes 36 - 12 -:- 4 6 -:- 2 x 3 . First we have to do division , then multiplication , then addition and then subtraction . Therefore :-36 - 12 -:- 4 6 -:- 2 x 3 \l/36 - 3 3 x 3 \l/ 36 - 3 9 \l/ 36 - 12 \l/ 24

Class : Class 4

## Ans 12:

Class : Class 5
how? can not understand.

## Ans 13:

Class : Class 7
Everyone , pay attention . In this question , the BODMAS rule ( Bracket , Off , Division , Multiplication , Addition , Subtraction ) is used . Let me explain it . First transform all the signs . The ans . comes 36 - 12 -:- 4 6 -:- 2 x 3 . First we have to do division , then multiplication , then addition and then subtraction . Therefore :-36 - 12 -:- 4 6 -:- 2 x 3 \l/36 - 3 3 x 3 \l/ 36 - 3 9 \l/ 36 - 12 \l/ 24

## Ans 14:

Class : Class 7
Everyone , pay attention . In this question , the BODMAS rule ( Bracket , Off , Division , Multiplication , Addition , Subtraction ) is used . Let me explain it . First transform all the signs . The ans . comes 36 - 12 -:- 4 6 -:- 2 x 3 . First we have to do division , then multiplication , then addition and then subtraction . Therefore :-36 - 12 -:- 4 6 -:- 2 x 3 \l/36 - 3 3 x 3 \l/ 36 - 3 9 \l/ 36 - 12 \l/ 24

## Ans 15:

Class : Class 7
I did not write the plus signs . It will be 4 6 , 3 3 and 3 9 .

## Ans 16:

Class : Class 7
Everyone , pay attention . In this question , the BODMAS rule ( Bracket , Off , Division , Multiplication , Addition , Subtraction ) is used . Let me explain it . First transform all the signs . The ans . comes 36 - 12 -:- 4 6 -:- 2 x 3 . First we have to do division , then multiplication , then addition and then subtraction . Therefore :-36 - 12 -:- 4 6 -:- 2 x 3 \l/36 - 3 3 x 3 \l/ 36 - 3 9 \l/ 36 - 12 \l/ 24

## Ans 17:

Class : Class 5
The bodmas rule is sometimes not applicable in some cases and if we use both methods it will take about 8 minutes.I even tested it

Class : Class 6
Very confusing.

Class : Class 5

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Subject :NSO    Class : Class 5

Class : Class 5

Class : Class 5
Answer is C

Class : Class 6

## Ans 4:

Class : Class 5
Ytytytytyt it is c c c c c c c c c c c. C cc. C c c c c c

## Ans 5:

Class : Class 5
Option C is the correct answer

## Ans 6:

Class : Class 6
C is the answer to this question

## Ans 7:

Class : Class 5
How is C the answer? Water has minerals in it. Pls. explain.

Class : Class 1
C is Correct

## Ans 9:

Class : Class 5
no as per me some resources are harmful like uranium as option d

Class : Class 6

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Subject :NSO    Class : Class 7

## Ans 1:

Class : Class 9
I know this answer........................................its (C) Prove me if its wrong

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Subject :NSO    Class : Class 5

Class : Class 6
It should be 10

## Ans 2:

Class : Class 7
Deepak is standing in line there are 21 students in line. So , he is one standing in middle so 21 - 1 = 20 . So 20 divide by 2= 10 . Thus , there are 10 students from right as well as left .

Class : Class 5
12

Class : Class 8
10

## Ans 5:

Class : Class 7
Deepak is standing in line there are 21 students in line. So , he is one standing in middle so 21 - 1 = 20 . So 20 divide by 2= 10 . Thus , there are 10 students from right as well as left .

Class : Class 5
B-10

## Ans 7:

Class : Class 4
option (b) is the right answer

Class : Class 5
A-12

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Subject :NSO    Class : Class 6

## Ans 1:

Class : Class 9
does a baby have 300 bones?

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Subject :NSO    Class : Class 4

## Ans 1:

Class : Class 3
the answer is option d.

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Subject :NSO    Class : Class 5

## Ans 1:

Class : Class 3
CAN any one please explain where is U