Question

PLEASE HELP

A bakery is an establishment that produces and sells flour-based food baked in

an oven suchas bread, cookies, cakes, pastries, and pies. Some retail bakeries

are also categorized as cafés,serving coffee and tea to customers who wish to

consume the baked goods on the premisesTania runs a bakery shop and her bakery is very famous for her tasty biscuits.

The amount of mixture required to make one biscuit is 18 cu cm. Before it is

cooked, the mixture is rolled into a sphere. After the biscuit is cooked, the

biscuit becomes a cylinder of radius 3 cm and height 0.7 cm ( The increase in

volume is due to air being trapped in the biscuit) Biscuits are packed in a

cylindrical card box of height 14 cm. The arrangement of biscuits is shown

below



On the basis of the above information, answer any four of the following

questions:

(i) What is the volume of the biscuits after it is cooked ?

(a) 17.8 cu cm (b) 18.7 cu cm

(c) 19.8 cu cm (d) 21.2 cu cm

(ii) What is the volume of air trapped, while cooking the biscuit ?

(a) 1.8 cu cm (b) 0.7 cu cm

(c) 1.5 cu cm (d) 3.2 cu cm

(iii) How many biscuits will be there in a box ?

(a) 120 (b) 70

(c) 140 (d) 60

Answer 1

Answer:

A construction company is working in an area where sand is available free of cost. To make concrete the ratio of cement to gravel is 2:3 and the ratio of gravel to sand is 2: 5. Find the quantity of gravel and cement required if 1000 m3 concrete is needed.

Step-by-step explanation:

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Answer 2

Answer:

(i) 19.8 cu

(ii) 1.8 cu

(iii)140