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RACHANA from DELHI PUBLIC SCHOOL, HYDERABAD
Subject :IMO    Class : Class 4
elo

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Vasudevan Sreekanth from VIBGYOR HIGH YERWADA, PUNE
Subject :IMO    Class : Class 3

Ans 1:

Swanandi Sandeep Sonawane from Vibgyor Rise, Nashik
Class : Class 3
Addtion

Ans 2:

Jhanvi Agarwal from Dewan public school, Meerut
Class : Class 3
Addition

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Anusha from SATYA PRAKASH PUBLIC SCHOOL, Jabalpur
Subject :IMO    Class : Class 7

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Syed Hrehaan Ahamed from Bahrain Indian School, Manama
Subject :IMO    Class : Class 7

Ans 1:

Maragatha Sundaram Adhi Narayanan from PIES, UAE
Class : Class 6
C

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kapil from , gurgaon
Subject :IMO    Class : Class 4

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Anish Academy from Delhi Public School, Hyderabad nacharam telangana
Subject :IMO    Class : Class 6

Observe the following patterns. Then find the sum of 1 + 3 + 5 + 7 + 9 + ... + 19.
1 ------------------------= 1 × 1 = 1
1 + 3 -------------------= 2 × 2 = 4
1 + 3 + 5 --------------= 3 × 3 = 9
1 + 3 + 5 + 7 ---------= 4 × 4 = 16
1 + 3 + 5 + 7 + 9 -----= 5 × 5 = 25
...............................................................
...............................................................

A 121
B 81
C 100
D 64


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Prayaan handel from Billabong high international school, Bhopal
Subject :IMO    Class : Class 3

Ans 1:

Marya suzan from Valley view school, Jamshedpur
Class : Class 3
A

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Sarthak Shome from Harvest International, Bangalore
Subject :IMO    Class : Class 4

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Thashan Sagar from AKG PUBLIC SCHOOL, Chennai
Subject :IMO    Class : Class 2

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Ayush from Apeejay school, NAVI MUMBAI
Subject :IMO    Class : Class 6

Ans 1:

Aharshi Kauri from Bishnupur High School, Bishnupur Bankura
Class : Class 6
B

Ans 2:

Joella Pereira from Mt St Ann High School, Pune
Class : Class 6
B

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