34 th BCS Preliminary

91.  √169 is equal to -

[34 th BCS Preliminary : 2013]

1. 17

1

2. 11

2

3. 13

3

4. 15

4
Answer
92. ( 5^(n 2) 35*(5^(n-1)) )/4*5^n এর মান কত? 

[34 th BCS Preliminary : 2013]

1. 4

1

2. 9

2

3. 8

3

4. 5

4
Answer
93. A = {1, 2, 3} B = ∅ হলে A ∪ B = কত? 

[34 th BCS Preliminary : 2013]

1. {1, 2, 3}

1

2. {1, 2, ∅}

2

3. {2, 3, ∅}

3

4. {∅}

4
Answer
94. x + y = 2, x2 + y2 = 4 হলে x3 + y3 = কত?

[34 th BCS Preliminary : 2013]

1. 8

1

2. 9

2

3. 25

3

4. 16

4
Answer