Ans 1:
Class : Class 10
Nitin , I think you forgot that the sum of the digits of a number should be 9 , As in teh question. All teh other nummbers given by you except 36 is wrong because their digits do nto sum up to 9
Ans 6:
Class : Class 6
The number is not only 36 (It is a number , but there are other numbers) . If you keep x as the ten's digit of the original number and y as the unit's digit of the number , any number following : x 3=y , will follow this rule .The numbers following this rule is 14 27=41 , 25 27=52 , 36 27=63 , 47 27=74 , 58 27=85 , 69 27=96 .
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Ans 1: (Master Answer)
Class : Class 1
(B):
(a) Total number of books in both the libraries = 284683 + 371805
= 656488
(b) Number of more books in second library than the first library = 371805 - 284683
= 87122
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Ans 1: (Master Answer)
Class : Class 1
(C):
- Time duration for playing football = 30 minutes
Time duration for reading book = 30 minutes
So, activities that last for 1 hour in total are
playing football and reading book.
- The activity that lasted for 15 minutes only is painting.