1. Bemoan--

Lament

Soothe

Denounced

Loathe

2. Pick out the most appropriate pair to fill in the blanks in same order. The great scientist --- himself with ability and moderation all --- the conference.

felt, about

displayed, in

disclosed, besides

presented, through

3. The synonym of 'Mandatory' is--

optional

obligatory

subsidiary

transitory

4. The similar meaning of 'CHASTE' is-

Loyal

Timid

Curt

Pure

5. x2 - y2 + 2y - 1 এর একটি উৎপাদক--

x + y + 1

x - y

x + y - 1

x - y - 1

6. xx^√x = (x√x)x হলে, x এর মান কত?

3/2

4/9

9/4

2/3

7. কোনটি a3 + 1 -এর উৎপাদক?

(a + 1)(a + 1)

(a + 1)(a2 + a + 1)

(a - 1)(a2 - a + 1)

(a + 1)(a2 - a + 1)

8. a3 + b3 এর উৎপাদক কোনটি?

(a + b)(a + b)(a + b)

(a + b)(a2 + b2)

(a - b)(a + b)(a2 + b2)

(a + b)(a2 - ab + b2)

9. x4 + x2 + 1 এর একটি উৎপাদক x2 + x + 1 অপর উৎপাদকটি কত?

x2 + x + 1

x2 - x + 1

x2 + 1

x + 1

10. x + 1/x = 2 হলে xx2 + x -1 এর মান কত?

2

3

1

4