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 5

Ans 2:

Class : Class 8

Ans 3:

Class : Class 6
it is really confusing

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
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
Very confusing.

Ans 7:

Class : Class 5
how? can not understand.

Ans 8:

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

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
very confusing

Ans 11:

Class : Class 6

Ans 12:

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 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
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 16:

Class : Class 4

Ans 17:

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

Ans 18:

Class : Class 6

Ans 19:

Class : Class 7

Ans 20:

Class : Class 7
very confusing

Ans 21:

Class : Class 4
it is confusing ya

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 1
C is Correct

Ans 2:

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 3:

Class : Class 6

Ans 4:

Class : Class 5
D is correct

Ans 5:

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

Ans 6:

Class : Class 6

Ans 7:

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

Ans 8:

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

Ans 9:

Class : Class 5

Ans 10:

Class : Class 2

Ans 11:

Class : Class 7
C is the answer to this question

Ans 12:

Class : Class 6
Option C is the correct answer

Ans 13:

Class : Class 8

Ans 14:

Class : Class 6
as per me d

Ans 15:

Class : Class 4

Ans 16:

Class : Class 8

Ans 17:

Class : Class 8

Ans 18:

Class : Class 6
Therefore lot of correct options.

Ans 19:

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

Ans 20:

Class : Class 5
Answer is C

Ans 21:

Class : Class 8
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 6
It should be 10

Ans 2:

Class : Class 10
10

Ans 3:

Class : Class 5
Nishant Doshi is correct

Ans 4:

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 5:

Class : Class 8
m

Ans 6:

Class : Class 8
It is 10

Ans 7:

Class : Class 5
A-12

Ans 8:

Class : Class 8
it should be 10

Ans 9:

Class : Class 9
12

Ans 10:

Class : Class 8

Ans 11:

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 12:

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 13:

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

Ans 14:

Class : Class 5
B-10

Ans 15:

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

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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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