National Science Olympiad Forum By SOF Olympiad Trainer - Page 445
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Adersh from Apeejay, Nerul
Subject :NSO    Class : Class 3

Ans 1:

SAMRIDDHA PANDA from ST. MONFORT'S SENIOR SECONDARY SCHOOL, BARUIPUR
Class : Class 7

Ans 2:

Mohi from Vibgyor, Bangalore
Class : Class 6
B. Rabbit gnaws and frog swallows.

Ans 3:

ANSHUL GAJJAR from PODAR INTERNATIONAL SCHOOL, AHMEDABAD
Class : Class 3
B

Ans 4:

Prithwanko Ghosh from Kendriya Vidyalaya IIT Kanpur, Kanpur
Class : Class 7
In the figure there is a squirrel and snake so, squirrel gnaws and snake swallows so, rabbit and frog in option (B) so, rabbit gnaws and frog swallows so, option (B) is the correct answer.

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Jayanth from The Deens Academy, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

Suryatapa Chakraborty from ST. Michael ' s School, Durgapur
Class : Class 6

Ans 2:

Rudhra from Credence high, Dubai
Class : Class 4

Ans 3:

Rudhra from Credence high, Dubai
Class : Class 4
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Ans 4:

Krishika Madan Shanmugam from National Public School, Bangalore
Class : Class 4
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Aryan Raina from MGN Public School, Jalandhar
Subject :NSO    Class : Class 8

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sharan from Gitanjali Primary School , Hyderabad
Subject :NSO    Class : Class 5

Ans 1:

sharan from Gitanjali Primary School , Hyderabad
Class : Class 5
sorry

Ans 2:

Anjisha Chakraborty from Mount Litera Zee School, Jabalpur
Class : Class 5
Answer C - 15 Explanation 6 x 6 = 36 - 1 = 35 8 x 8 = 64 - 1 = 63 4 x 4 = 16 - 1 = 15

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Aryan Raina from MGN Public School, Jalandhar
Subject :NSO    Class : Class 8

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from kalyan, Kalyan
Subject :NSO    Class : Class 5

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Chanpartap from The British Co Ed High School , Patiala
Subject :NSO    Class : Class 7

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Chanpartap from The British Co Ed High School , Patiala
Subject :NSO    Class : Class 7

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Sunita from Dps, Greater Noida
Subject :NSO    Class : Class 5

Ans 1:

from , rajahmundry
Class : Class 2
 Metals are generall sonorous. That is they make a ringing sound when struck. Therefore, they are used for making bells. Metal wires are used in musical instruments.  Metals such as iron are very strong. Therefore, it is therefore, widely used in the construction of buildings, bridges, railway lines, carriages, vehicles and machinery So,Ans is D

Ans 2:

from , rajahmundry
Class : Class 2
 Metals are generall sonorous. That is they make a ringing sound when struck. Therefore, they are used for making bells. Metal wires are used in musical instruments.  Metals such as iron are very strong. Therefore, it is therefore, widely used in the construction of buildings, bridges, railway lines, carriages, vehicles and machinery So,Ans is D

Ans 3:

Sunita from Dps, Greater Noida
Class : Class 9
dt

Ans 4:

from , rajahmundry
Class : Class 2
 Metals are generall sonorous. That is they make a ringing sound when struck. Therefore, they are used for making bells. Metal wires are used in musical instruments.  Metals such as iron are very strong. Therefore, it is therefore, widely used in the construction of buildings, bridges, railway lines, carriages, vehicles and machinery. SO,Ans is - D

Ans 5:

from , rajahmundry
Class : Class 2
 Metals are generall sonorous. That is they make a ringing sound when struck. Therefore, they are used for making bells. Metal wires are used in musical instruments.  Metals such as iron are very strong. Therefore, it is therefore, widely used in the construction of buildings, bridges, railway lines, carriages, vehicles and machinery So,Ans is D

Ans 6:

from , rajahmundry
Class : Class 2
 Metals are generall sonorous. That is they make a ringing sound when struck. Therefore, they are used for making bells. Metal wires are used in musical instruments.  Metals such as iron are very strong. Therefore, it is therefore, widely used in the construction of buildings, bridges, railway lines, carriages, vehicles and machinery So,Ans is D

Ans 7:

from , rajahmundry
Class : Class 2
ans D

Ans 8:

from , rajahmundry
Class : Class 2
 Metals are generall sonorous. That is they make a ringing sound when struck. Therefore, they are used for making bells. Metal wires are used in musical instruments.  Metals such as iron are very strong. Therefore, it is therefore, widely used in the construction of buildings, bridges, railway lines, carriages, vehicles and machinery. SO,Ans is - D

Ans 9:

from , rajahmundry
Class : Class 2
ans D

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Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Subject :NSO    Class : Class 7

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