In a triangle ABC, the lengths of the sides AB and AC equal 17.5 cm and 9 cm respectively. Let D be a point on the line segment BC such that AD is perpendicular to BC. If AD = 3 cm, then what is the radius (in cm) of the circle circumscribing the triangle ABC

1.  17.05

2.  27.85

3.  22.45

4.  32.25

5.  26.25

View Answer  
5
Correct Answer :
17.05
Explanation :
No Explanation available for this question

What two-digit number is less than the sum of the square of its digits by 11 and exceeds their doubled product by 5

1.  15,95

2.  95

3.  Both (a) and (b)

4.  15,95 and 12345

5.   None of these

View Answer  
5
Correct Answer :

15,95


Explanation :
No Explanation available for this question

Find the lower of the two successive natural numbers if the square of the sum of those numbers exceeds the sum of their squares by 112.

1.  6

2.  7

3.  8

4.  9

5.  10

View Answer  
5
Correct Answer :

7


Explanation :
No Explanation available for this question

First we increased the denominator of a positive frac-tion by 3 and then we decreased it by 5. The sum of the resulting fractions proves to be equal to 2/3. Find the denominator of the fraction if its numerator    is 2.

1.  7

2.  8

3.  12

4.  9

5.   13

View Answer  
5
Correct Answer :

9


Explanation :
No Explanation available for this question

Find the last two digits of: 15 x 37 x 63 x 51 x 97 x 17.

1.  35

2.  45

3.  55

4.   85

View Answer  
4
Correct Answer :

35


Explanation :
No Explanation available for this question

Let us consider a fraction whose denominator is smaller than the square of the numerator by unity. If we add 2 to the numerator and the denominator, the fraction will exceed 1/3. If we subtract 3 from the numerator and the denominator, the fraction will be positive but smaller than 1/10. Find the value

1.  

2.  

3.  

4.  

5.  None of these

View Answer  
5
Correct Answer :


Explanation :
No Explanation available for this question

Find the sum of all three-digit numbers that give a remainder of 4 when they are divided by 5.

1.  98,270

2.  99,270

3.  1,02,090

4.  90,270

5.   None of these

View Answer  
5
Correct Answer :

99,270


Explanation :
No Explanation available for this question

Find the sum of all two-digit numbers that give a remain¬der of 3 when they are divided by 7.

1.  686

2.  676

3.  666

4.  656

5.   None of these

View Answer  
5
Correct Answer :

676


Explanation :
No Explanation available for this question

Find the sum of all odd three-digit numbers that are divisible by 5.

1.  50,500

2.  50,250

3.  50,000

4.  49,500

5.   51,250

View Answer  
5
Correct Answer :

49,500


Explanation :
No Explanation available for this question

The product of a two-digit number by a number consist¬ing of the same digits written in the reverse order is equal to 2430. Find the lower number.

1.  54

2.  54

3.  63

4.  65

5.   45

View Answer  
5
Correct Answer :

54


Explanation :
No Explanation available for this question
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