Curioustab
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Take Free Test
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Take Free Test
Home
»
Aptitude
»
Simplification
If x=aCosθCosΦ, y = aCosθSinΦ and z= aSinθ, then the value of x2+ y2 + z2 is
2a2
0
4a2
a2
Correct Answer:
a2
← Previous Question
Next Question→
More Questions from
Simplification
A 1.6 m tall observer is 45 meters away from a tower. The angle of elevation from his eye to the top of the tower is 30°, then the height of the tower in meters is
A spherical lead ball of radius 6 cm is melted and small lead balls of radius 3 mm are made. The total number of possible small lead balls is
If x2+5x+6 = 0 , then the value of 2xx2-7x+6 is
If a+b=5 and ab=3, then the value of (a2+b2) is
A 8 cm long perpendicular is drawn from the centre of a circle to a 12 cm long chord. The diameter of the circle is
If x = a + 1/a, y = a - 1/a, then the value of x4+y4-2x2y2
If 2x+4-2x+2=3 , then the value of x?
If 3n = 2187 , then the value of n is:
If x+1x=5, then 6xx2+x+1 value is
If sinA + sin2A =1 then what is the value of cos2A + cos4A
Discussion & Comments
No comments yet. Be the first to comment!
Name:
Comment:
Post Comment
Join Discussion
Discussion & Comments