47
Q:

Determine the number of rectangles and hexagons in the following figure.

A) 30, 5 B) 32, 3
C) 28, 5 D) 30, 3

Answer:   A) 30, 5



Explanation:

The figure may be labelled as shown

 

 

Rectangles :

 

The simplest rectangles are CVSR, VETS, RSWM and STKW i.e 4 in number.

 

The rectangles composed of two components each are CETR, VEKW, RTKM and CVWM i.e 4 in number.

 

The rectangles composed of three components each are ACRP, PRMO, EGHT and THIK i.e 4 in number.

 

The rectangles composed of four components each are CEKM, AVSP, PSWO,VGHS and SHIW i.e 5 in number.

 

The rectangles composed of five components each are AETP, PTKO, CGHR and RHIM i.e 4 in number.

 

The rectangles composed of six components each are ACMO and EGIK i.e 2 in number.

 

The rectangles composed of eight components each are AGHP, PHIO, AVWO and VGIW i.e 4 in number.

 

The rectangles composed of ten components each are AEKO and CGIM i.e 2 in number.

 

AGIO is the only rectangle having sixteen components

 

Total number of rectangles in the given figure = 4 + 4 + 4 + 5 + 4 + 2 + 4 + 2 + 1 = 30.

 

Hexagons :

 

The hexagons in the given figure are CDEKLM, CEUKMQ, CFHJMQ, BEUKNP and BFHJNP. So, there are 5 hexagons in the given figure.

 

 

Q:

A can work twice as fast as B. A and C together can work three times as fast as B. if A,B and C complete a job in 30 days working together, in how many days can each of them complete the work.

 

A) 50,100,120 B) 60,120,120
C) 60,100,80 D) 40,80,100
 
Answer & Explanation Answer: B) 60,120,120

Explanation:
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4 447
Q:

The LCM of the three numbers 45,30 and 35 is:

A) 630 B) 420
C) 180 D) 840
 
Answer & Explanation Answer: A) 630

Explanation:
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1 279
Q:

Select the option that depicts the correct mirror image of the following figure if the mirror is placed at MN.

 

 

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: D) 4

Explanation:
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3 249
Q:

According to the given Venn diagram, the total number of non-athletic and disciplined boys is ___.

 

 

 

A) 1 B) 28
C) 20 D) 10
 
Answer & Explanation Answer: D) 10

Explanation:
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0 3844
Q:

In the following figure, rectangle represents Physicians, circle represents Racers, triangle represents Writers and square represents Mothers. Which set of letters represents Mothers who are not Racers?

 

 

 

A) FGH   B) ECA  
C) DFG   D) DGFI
 
Answer & Explanation Answer: C) DFG  

Explanation:
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3 200
Q:

A word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as shown in the given two matrices. The columns and rows of Matrix-I are numbered from 0 to 4 and that of Matrix -II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, for example 'C' can be represented by 23, 40 etc and 'X' can be represented by 66, 96 etc. Similarly, you have to identify the set for the word 'DUNG'.

 

 

A) 31,76,24,96   B) 20,59,41,88  
C) 33,68,31,75   D) 42,57,75,11
 
Answer & Explanation Answer: D) 42,57,75,11

Explanation:
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0 224
Q:

Select the Answer Figure that will correctly fit in the blank space in the Problem Figure.

 

 

A) A B) B
C) C D) D
 
Answer & Explanation Answer: A) A

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1 1096
Q:

Choose the correct water image of the given problem figure from the answer figures.

 

 

A) A B) B
C) C D) D
 
Answer & Explanation Answer: A) A

Explanation:
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0 939