The areas of two equilateral triangles are in the ratio 25 : 36. Their altitudes will be in the ratio:

1.  36 : 25

2.  25 : 36

3.  5 : 6

4.  

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4
Correct Answer :

5 : 6


Explanation :
No Explanation available for this question

If 15% of (A + B) = 25% of (A - B), then what per cent of B is equal to A

1.  10%

2.  60%

3.  200%

4.   400%

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4
Correct Answer :

400\%


Explanation :
No Explanation available for this question

If O is the centre of the circle, then V is :

1.  72o

2.  62o

3.  82o

4.  52o

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4
Correct Answer :

82o


Explanation :
No Explanation available for this question

AB and CD are parallel straight lines of lengths 5 cm and 4 cm respectively. AD and BC intersect at a point O such that AO = 10cm, then OD equals :

1.  7 cm

2.  8 cm

3.  5 cm

4.  6 cm

View Answer  
4
Correct Answer :

8 cm


Explanation :
No Explanation available for this question

sin25o + sin210o + sin15o + .... + sin285o + sin290o is equal to

1.  

2.  

3.  9

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

1.  54

2.  18

3.  72

4.  36

View Answer  
4
Correct Answer :

36


Explanation :
No Explanation available for this question

1.  45°

2.  90°

3.  80°

4.  100°

View Answer  
4
Correct Answer :

90°


Explanation :
No Explanation available for this question

1.  

2.  0

3.  1

4.  

View Answer  
4
Correct Answer :

1


Explanation :
No Explanation available for this question

The average age of 30 boys in a class is 15 years. One boy, aged 20 years, left the class, but two new boys came in his place whose ages differ by 5 years. If the average age of all the boys now in the class becomes 15 years, the age of the younger newcomer is :

1.  20 years

2.  15 years

3.  10 years

4.  8 years

View Answer  
4
Correct Answer :

15 years


Explanation :
No Explanation available for this question

Out of three numbers, the first is twice the second and is half of the third. If the average of the three numbers is 56, then difference of first and third numbers is :

1.  12

2.  20

3.  24

4.  48

View Answer  
4
Correct Answer :

48


Explanation :
No Explanation available for this question
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