Let S denote the set of all (positive) divisors of 605. The product of all the numbers in S equals 60e for some integer e. What is the value of e

1.  198

2.  99

3.  1980

4.  990

5.  none of these

View Answer  
5
Correct Answer :

1980


Explanation :
No Explanation available for this question

A shopkeeper increases the selling price of his articles by 10% and then reduces it by 10%.Again he does the same thing. Finally the selling price of the articles comes down to 1944.75.What was the original selling price.

1.   1984.75

2.  2000

3.  2500

4.  2148.75

View Answer  
4
Correct Answer :

1984.75


Explanation :
No Explanation available for this question

Find the number of ordered pair of positive integers (a.n) such that an+1 − (a + 1)n = 2001

1.  0

2.  1

3.  2

4.  3

5.  none of these

View Answer  
5
Correct Answer :

1


Explanation :
No Explanation available for this question

How many positive numbers less than 100000 are such that only the digits 5, 6, 7, 8, 9 are used in the number and the number is divisible by 4

1.  780

2.  781

3.  313

4.  625

5.  751

View Answer  
5
Correct Answer :

780


Explanation :
No Explanation available for this question

The average of three distinct prime numbers between 50 and 75 is 191/3 .Find teh difference between the largest and the smallest prime numbers

1.  18

2.  12

3.  10

4.  4

5.  none of these

View Answer  
5
Correct Answer :

none of these


Explanation :
No Explanation available for this question

a,b,c,d are non Zero real numbers. If a> b and c> d and abcd =1 ,then which of the following is correct

1.   bd3-ac

2.  a+c>b+d

3.  a2b

4.  None of these

View Answer  
4
Correct Answer :

a+c>b+d


Explanation :
No Explanation available for this question

ABC is triangle such that its perimeter is l. Letm and n be positive integers such that l = am = bn where a, b and c have their usual meanings(sides of the triangle ). How many such triangles are isosceles

1.  0

2.  1

3.  2

4.  3

5.  none of these

View Answer  
5
Correct Answer :

1


Explanation :
No Explanation available for this question

There are two lights.The first light blinks 3 times per minute while the other blinks 5 times in two minutes. Find the no. of times they will blink together in an hour

1.  20

2.  30

3.  60

4.  None of these

View Answer  
4
Correct Answer :

30


Explanation :
No Explanation available for this question

Triangle ABC is right angled at A and has a perimeter of 136. A circle is drawn from A point X on AB such that it is tangent to BC and AC.The radius of the circle is 17 . If BX=m/n where m and n are relatively prime.Then m + n =

1.  20

2.  8

3.  22

4.  85

5.  88

View Answer  
5
Correct Answer :

88


Explanation :
No Explanation available for this question

Given a point P inside of a quadrilateral ABCD where < APB =

1.  KL = LM 

2.  triangle KLM is equilateral

3.  triangle KLM is isosceles

4.  a and b.

5.  a and c

View Answer  
5
Correct Answer :

a and b.


Explanation :
No Explanation available for this question
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