National Science Olympiad Forum By SOF Olympiad Trainer - Page 716

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6

Ans 2:

Class : Class 7
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

Ans 1:

Class : Class 7

Ans 2:

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 3:

Class : Class 6

Ans 4:

Class : Class 7
very confusing

Ans 5:

Class : Class 6
it is really confusing

Ans 6:

Class : Class 6
Very confusing.

Ans 7:

Class : Class 8

Ans 8:

Class : Class 5
how? can not understand.

Ans 9:

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 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

Ans 11:

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

Ans 12:

Class : Class 4
it is confusing ya

Ans 13:

Class : Class 7
very confusing

Ans 14:

Class : Class 4

Ans 15:

Class : Class 6

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 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 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 19:

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 20:

Class : Class 5

Ans 21:

Class : Class 6
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

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
Option C is the correct answer

Ans 2:

Class : Class 6
Therefore lot of correct options.

Ans 3:

Class : Class 5

Ans 4:

Class : Class 6

Ans 5:

Class : Class 8

Ans 6:

Class : Class 5
D is correct

Ans 7:

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

Ans 8:

Class : Class 8

Ans 9:

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

Ans 10:

Class : Class 2

Ans 11:

Class : Class 4

Ans 12:

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

Ans 13:

Class : Class 5
Answer is C

Ans 14:

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

Ans 15:

Class : Class 6

Ans 16:

Class : Class 7
C is the answer to this question

Ans 17:

Class : Class 1
C is Correct

Ans 18:

Class : Class 8
d

Ans 19:

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 20:

Class : Class 8

Ans 21:

Class : Class 6
as per me d

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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 5
B-10

Ans 3:

Class : Class 6
It should be 10

Ans 4:

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 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 .

Ans 6:

Class : Class 9
12

Ans 7:

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

Ans 8:

Class : Class 10
10

Ans 9:

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 10:

Class : Class 8
it should be 10

Ans 11:

Class : Class 5
A-12

Ans 12:

Class : Class 5
Nishant Doshi is correct

Ans 13:

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

Ans 14:

Class : Class 8
It is 10

Ans 15:

Class : Class 8
m

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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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Subject :NSO    Class : Class 5

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