Question

30 cards numbered from 11 to 40 were placed on a table. 3
students Ayush, Juthika and Ahona of class 7 were asked to
find out the cards numbered with 1 or 0 in the unit’s digit.
When asked, Ayush, Juthika and Ahona answered 4, 6 and
5 respectively.
(i) Who answered correctly?
(ii) What were the numbers on those (correctly
answered) cards
And plz tell me the answer to this question in maths . Not the velocity in science . Ok . And step by step .

Answer 1

Step-by-step explanation:

I) Juthika ka answer the question correctly.

the total number of cards having 0 or 1 at units place is 6.

ii) the number having zero OR one in the units place where 11, 20, 21, 30, 31, 40.

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