1.Oranges can be packed in sets of 10 oranges in box type A or 25 oranges in box type B. A carton comprising of 1000 oranges of type a and b is packed. How many different combinations are possible in the number of type A and type B boxes while organizing the oranges?
a. 21
|
b. 20
|
c. 19
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d. 18
|
Ans. 20
2.By multiplying my birth date by 31 and month by 12, I got a total of 494. Can you tell me birth date and month?
Ans. 14 may
3.A cube of 9 cm a side is melted and 27 small cubes are made from that. Find side of the smaller cubes.
Ans. 3cm
4.How many spheres of radius 2 cm can be made by melting two spheres of radius 12 cm each?
Ans. 432
5.A box is made of 1 cm thick wood. If outer dimensions of wood are 12 cm by 10 cm by 7 cm, find volume of wood.
Ans.440
