From the given words, select the word which cannot be formed using the letters of the given word.
ALTERNATIVES
1). ALTER
2). NATIVE
3). TEN
4). NATIONAL
2. The ratio of the angles of a triangle is $1:\frac{2}{3}:3$ Then the smallest angle is?
5. If sin (3x- 20°)= cos (3y + 20°), then find the value of (x + y).
7. If 2secA - $\frac{(1+sinA)}{cosA}$ = x, then the value of x is
8. Which one of the following is true for 0°
9. If tan 45° + cosec 30° = x, then find the value of x.
10. Find out the odd word/letters/number/number pair from the given alternatives.