1. The plane 2x –y + 3z + 5 = 0 is rotated at 90º angle with its line of intersection with the plane 5x – 4y –2z + 1 = 0. In new position equation of the plane will be :
a) 27x –24y – 26z –13 = 0 b) 27x –24y –26z + 13
c) 27x –24y –26z = 0 d) 27x + 24y +26z + 13 = 0
2. The number of different words that can be formed from the letters of the word ‘TRIANGLE’ so that no vowels are together is
a) 7200 b) 36000 c) 14400 d) 1240
3.How many different signals can be made by 5 flags from 8 flags of different colours ?
a) 10 b) 6720 c) 20 d) None
4. The value of p radian is equal to :
a) 60º b) 180º c) 90º d) 360.
5.The maximum value of 24 sin q + 7 cos q is :
a) 1 b) 24 c) 25 d) 7
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