# 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

5

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

4

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

5

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

5

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

5

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

4

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

5

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

4

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

5

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

5