Question
Four of the five parts numbered (1), (2), (3), (4) and
(5) are exactly equal. The number of that part which is not equal will be your answer.Solution
Average of 28, 58, 34 = 40 Average of 47, 31, 47, 35 = 40 Average of 46, 54, 39, 41, 22, 38 = 40 Average of 34, 64, 23, 26, 59, 57, 12, 75 = 43.75 Average of 33, 64, 34, 27, 42 = 40
- If X = 15°, find the value of:
sin²(3X) + cos²(4X) - tan²(2X) In an election involving two parties, 16% of the total votes were invalid. One of the candidates received 58% of the valid votes, and the other got 19,0...

Take θ = 450
If A + B = 450 , then the value of 2(1 + tanA) (1 + tanB) is:
- Find the maximum value of (8sin A + 6cos A).
If (2sin A + cos A) = 3sin A, then find the value of cot A.
The angle of depression of vertex of a regular hexagon lying in a horizontal plane, form the top of a tower of height 135 m located at the centre of the...
If tan 4θ = cot 14θ, then find the value of cos 9θ.
Simplify: sin 780° sin 480° + cos 120° sin 30°
Simplify:
8sin 27° sec 63° + 3cot 64° cot 26°