1.  1

2.  0

3.  2

4.  3

4

1

Explanation :
No Explanation available for this question

# If 9P5+5.9P4=10Pr then r=

1.  7

2.  6

3.  5

4.  4

4

5

Explanation :
No Explanation available for this question

# The number of permutations that can be made of the letters of the word EQUATION which start with a consonant and end with a consonant is

1.  2!5!

2.  3!5!

3.  3!6!

4.  2!6!

4

3!6!

Explanation :
No Explanation available for this question

# The number of words that can be formed from the letters of the word INTERMEDIATE in which the vowels are never together is

1.  (7!).7P6/2!5!

2.  (6!).7P6/2!3!

3.  (6!/2!).(7P6/2!3!)

4.  (6!).7P6

4

(6!/2!).(7P6/2!3!)

Explanation :
No Explanation available for this question

# The product of 5.6.7.(r+4) is divisible by

1.  (r+1)!

2.  r!

3.  (r1)!

4.  (r2)!

4

r!

Explanation :
No Explanation available for this question

# If 15Pr=32760,then r=

1.  7

2.  6

3.  5

4.  4

4

4

Explanation :
No Explanation available for this question

# If (2n+1)Pn-1(2n-1)Pn=3:5 then n=

1.  7

2.  6

3.  5

4.  4

4

4

Explanation :
No Explanation available for this question

# If nPr=5040 then (n,r)=

1.  (11,4)

2.  (11,3)

3.  (10,4)

4.  (9,4)

4

(10,4)

Explanation :
No Explanation available for this question

# The ways in which the time table for Monday be completed if there must be 5 lessons that day (Algebra, geometry, calculus, trigonometry, vectors) and algebra and geometry must not immediately follow each other are

1.  6!

2.  3x(5!/2)

3.  5!

4.  72

4

72

Explanation :
No Explanation available for this question

1.  8P5-6P3

2.  8P5-7P4

3.  8P5-7P3

4.  8P5-8P4

4