National Science Olympiad Forum By SOF Olympiad Trainer - Page 724

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

Ans 2:

Class : Class 4
The answer is c

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
Can you tell the answer to this question

Ans 2:

Class : Class 6

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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

Ans 1:

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

Ans 2:

Class : Class 5
how? can not understand.

Ans 3:

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 4:

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 5:

Class : Class 7
very confusing

Ans 6:

Class : Class 8

Ans 7:

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 8:

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 9:

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

Ans 10:

Class : Class 5

Ans 11:

Class : Class 7
not confusing let me explain it so when will we replace the sines it will be like this 36-12 divided by 4 6 divided by 2 multiplied by 3 so when will you solve it you will get the answer

Ans 12:

Class : Class 4

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
very confusing

Ans 15:

Class : Class 7

Ans 16:

Class : Class 6
Very confusing.

Ans 17:

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 18:

Class : Class 6
it is really confusing

Ans 19:

Class : Class 6

Ans 20:

Class : Class 4
it is confusing ya

Ans 21:

Class : Class 6

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Subject :NSO    Class : Class 5

Ans 1:

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 2:

Class : Class 1
C is Correct

Ans 3:

Class : Class 9
How is C the answer? Water has minerals in it. Pls. explain.

Ans 4:

Class : Class 5
D is correct

Ans 5:

Class : Class 6

Ans 6:

Class : Class 7
C is the answer to this question

Ans 7:

Class : Class 5
Answer is C

Ans 8:

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

Ans 9:

Class : Class 4

Ans 10:

Class : Class 8
d

Ans 11:

Class : Class 2

Ans 12:

Class : Class 6
Therefore lot of correct options.

Ans 13:

Class : Class 8

Ans 14:

Class : Class 5
D is right, take tobacco as an example.

Ans 15:

Class : Class 8

Ans 16:

Class : Class 8

Ans 17:

Class : Class 6
as per me d

Ans 18:

Class : Class 5
c correct one pls check it olympiad plz

Ans 19:

Class : Class 6
Option C is the correct answer

Ans 20:

Class : Class 6

Ans 21:

Class : Class 5

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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

Ans 1:

Class : Class 8

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 .

Ans 3:

Class : Class 5
Nishant Doshi is correct

Ans 4:

Class : Class 10
10

Ans 5:

Class : Class 9
The correct answer is option C - 11th not option B - 10th.

Ans 6:

Class : Class 8
it should be 10

Ans 7:

Class : Class 8
It is 10

Ans 8:

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

Ans 9:

Class : Class 5
Answer is 11 as there are 10 people from the right side and 10 from left side except Deepak but Deepak is in middle so he will be counted as 11th 10 10 1 = 21.

Ans 10:

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 .

Ans 11:

Class : Class 5
A-12

Ans 12:

Class : Class 8
m

Ans 13:

Class : Class 9
12

Ans 14:

Class : Class 5
B-10

Ans 15:

Class : Class 6
It should be 10

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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 8
CAN any one please explain where is U

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