Subject :IMO Class : Class 2
Subject :IMO Class : Class 8
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Subject :IMO Class : Class 10
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Subject :IMO Class : Class 2
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Subject :IMO Class : Class 5
Ans 1: (Master Answer)
Class : Class 1
Here, the answer is A.
7 tenths is 7 over 10, if you divide 7 by 10 you get 7 tenths as a decimal which is 0.7
Similarly, 45 tenths is 45 over 10,if you divide 45 by 10 you get 45 tenths as a decimal which is 4.50
21 hundredths is 21 over 100, if you divide 21 by 100 you get 21 hundredths as a decimal which is 0.21
Hence, the sum of 7 tenths, 21 hundredths and 45 tenths is (0.7 + 0.21 + 4.50) = 5.41
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Subject :IMO Class : Class 8
Ans 1:
Class : Class 9
a2 - 13a + 30 = a2 + 4a + 4
a - 10 a + 2
=> (a2 - 13a + 30)(a + 2) = (a2 + 4a + 4)(a - 10)
=> a3 + 2a2 - 13a2 - 26a + 30a + 60 = a3 - 10a2 +4a2 + 4a - 40
=> - 11a2 + 4a + 60 = - 6a2+ 4a - 40
=> - 11a2 + 6a2 + 60 + 40 = 0
=> - 5a2 + 100 = 0
=> 5a2 = 100
=> a2 = 20
=> a = √20
Insert the value of'a'and you will get the answer.
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Subject :IMO Class : Class 4
Match the following.
Column 1----------Column 2
(i) | 926543 | (p) | Smallest 5-digit number |
(ii) | 10000 | (q) | Place value of 2 is 2000 |
(iii) | 962540 | (r) | 100039 when rounded off to nearest 100 |
(iv) | 100000 | (s) | Successor of 926542 |
A (i) - (s), (ii) - (p), (iii) - (q), (iv) - (r)
B (i) - (q), (ii) - (r), (iii) - (s), (iv) - (p)
C (i) - (s), (ii) - (r), (iii) - (q), (iv) - (p)
D (i) - (q), (ii) - (p), (iii) - (s), (iv) - (r)
rd
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Subject :IMO Class : Class 4
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Subject :IMO Class : Class 6
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Subject :IMO Class : Class 7