Question

7 cm
6.
Ration is available for 75 students in a hostel for 20 days. How long will it
last for the remaining students if 25 students left the hostel after 10 days?
7.
Evaluate i) 209 square and ii) 105 x 95 using suitable identities
8.
What will happen to the total surface area of a cube if its edge is reduced to half?
What is the value of the digit "K" in 107 - K9 =
1k

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Answer 1

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