Searching for "12cm"

Q:

A closed wooden rectangular box made of 1 cm thick wood has the following outer dimensions : length 22 cm, breadth 17 cm, and height 12cm. It is filled to capacity with cement. What is the volume of the cement in the box?

 

A) 1488 cu. cm B) 3000 cu. cm
C) 4488 cu. cm D) 2880 cu. cm
 
Answer & Explanation Answer: B) 3000 cu. cm

Explanation:
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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

Q:

If each median of an equilateral triangle has a length of 12cm. Then what will be the value of in-radius (in cm) of the equilateral triangle?

A) 3 B) 4
C) 5 D) 6
 
Answer & Explanation Answer: B) 4

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

A cuboidal block 6cm x 9cm x 12cm is cut up into an exact number of equal cubes.The least possible number of equal cubes will be

A) 6 B) 9
C) 24 D) 30
 
Answer & Explanation Answer: C) 24

Explanation:

Volume of block=(6 x 9 x 12) cu.cm = 648 cu.cm 

Side of largest cube = H.C.F of 6,9,12 = 3cm 

Volume of the cube=(3 x 3 x 3)=27cu.cm 

Number of cubes=(648/27)=24

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams
Job Role: Bank PO

Q:

The base of a triangle of 15cm and height is 12cm. The height of another triangle of double the area having the base 20cm is

A) 16 B) 17
C) 18 D) 20
 
Answer & Explanation Answer: C) 18

Explanation:

a = 12×15×12 = 90 sq.cm  

b = 2a = 12×20×h  

h= 18cm

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Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO