Question

Short Questions:
2 x 5 = 10
7. If 18 balls cost Rs 630, how many balls can be bought for Rs 455?
3. 30 men can finish a piece of work in 28 days. How many days will be taken by 21 men to finish it?
3. A, B and c can do a piece of work in 10 days , 12 days and 15 days respectively. How long will
they take to finish it if they work together?
10. Find the measure of each interior angle of a regular Polygon having 10 sides.
11. Is it possible to have a regular polygon each of whose exterior angle is 25° Justify your answer.
art Questions:
3x3 = 9
12. In a hostel 75 students had food provision for 24 days. If 15 students leave the hostel,
for how many days would the food provision last?
13. A and B can do a piece of work in 18 days; B and C can do it in 24 days while C and A can
finish it in 36 days. In how many days can A, B and C finish it, if they all work together?
14. The interior angle of a regular polygon exceeds its exterior angle by 108°. How many
sides does the polygon have?​

Answer 1

Answer:

Sorry I can't understand the question