Question

the principal sanctioned a certain amount to the librarian to purchase some Mathematics books for me
school library. She could buy 80 books casting Rs 90 each from the local book seller. There she approached
to the publisher who offered her a 20% discount, Find the number of copies of Mathematics books which she
could buy from the publisher for the sanctioned money.
A mixture of paint is prepared by mixing 1 part of green pigments with 6 parts of the base. In the following
table, find the parts of base needed to be added.
Parts of green pigment 11415
Parts of base
6. A machine fills 540 bottles in six hours. How many bottles will it fill in five hours?
7. Jagmeet has a road map with a scale of 1 cm = 20 km. He drives on a road for 72 kn. What would be bis
distance covered in the map?
8. In a PG House, the food provision for 20 persons is for 10 days. How long would the food provision last
there were 5 more persons in that PG house?
9. A contractor estimates that 5 persons complete a task in 4 days. If he uses 4 persons instead of 5, how lo
should they take to complete the task?
10. A school has 9 periods a day each of 50 minutes duration. How many period will there be, if the duration
every period is reduced by 5 minutes?
11. A machine can fill 420 bottles of mineral water in 3 hours. How many bottles can be filled in 5 hours?
12. In a model of a ship, the mast is 9 cm high, while the mast of the actual ship is 12 m bigh. If the length
model ship is 21 cm, then how long is the actual ship?
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Answer 1

Answer:

so big question i cannot answee sorry frnd