# 3/4 (1+1/3) (1+2/3) (1-2/5) (1+6/7) (1-12/13) is equal to

1.  2/13

2.  1/7

3.  1/6

4.  1/5

4

1/6

Explanation :
No Explanation available for this question

# ((0.87)3 + (0.13)3)/ (0.87)2 + (0.13)2 – (0.87) × (0.13)

1.  1/2

2.  2

3.  1

4.  2(1/2)

4

1

Explanation :
No Explanation available for this question

# If x2 + y2 - 2x + 6y + 10 = 0, then the value of (x2 + y2) is

1.  4

2.  6

3.  8

4.  10

4

10

Explanation :
No Explanation available for this question

# The largest among the numbers √7-√5, √5-√3, √9-√7, √11-√9 is

1.  √7-√5

2.  √5-√3

3.  √9-√7

4.  √11-√9

4

√5-√3

Explanation :
No Explanation available for this question

# If x1/3 + y1/3 =z1/3, then (x+ y- z)3 +27 xyz is equal to

1.  0

2.  1

3.  -1

4.  27

4

27

Explanation :
No Explanation available for this question

# If= (343)y-1, then y is equal to

1.  2/3

2.  1

3.  4/3

4.  3/4

4

4/3

Explanation :
No Explanation available for this question

# If a2 = 2, then (a +1) is equal to

1.  a -1

2.  a -1/(a-1)

3.  a +1/(3-2a)

4.  a-1/(3-2a)

4

a-1/(3-2a)

Explanation :
No Explanation available for this question

# The missing term in the sequence 2, 3, 5, 7, 11   17, 19 is

1.  16

2.  15

3.  14

4.  13

4

13

Explanation :
No Explanation available for this question

# The wrong number in the sequence 8, 13, 21, 32, 47, 63, 83 is

1.  32

2.  47

3.  63

4.  83

4

63

Explanation :
No Explanation available for this question

1.  2% increase

2.  2% decrease

3.  4% increase

4.  4% decrease

4