Directions(1-5): Compare the values of x and y then choose a correct option.
- I.x^2 –x – 210 = 0
II. y^2 + 30y + 224 = 0x > yNo relationx >= yx >= yy > xOption C
I.x^2 –x – 210 = 0
=>x^2 – 15x + 14x – 210 = 0
=>(x-15)(x+14) = 0
=>x = -14,15
II. y^2 + 30y + 224 = 0
=>y^2 + 16y + 14y + 224 = 0
=>(y+16)(y+14) = 0
=>y = -16,-14
x >= y - I.2x^2 – 11x + 15 = 0
II. 2y^2 = y + 10x >= yy > xx > yNo relationx >= yOption A
I.2x^2 – 11x + 15 = 0
=>2x^2 – 6x – 5x + 15 = 0
=>(2x-5)(x-3) = 0
=>x = 3,5/2
II. 2y^2 = y + 10
=>2y^2 – 5y – 4y – 10 = 0
=>(y+2)(2y-5) = 0
=>y = -2,5/2
x >= y - I.x^2 + 19x + 88 = 0
II. y^2 + 20y + 96 = 0x >= yx > yy > xx >= yNo relationOption E
I.x^2 + 19x + 88 = 0
=>x^2 + 11x+8x + 88 = 0
=>(x+11)(x+8) = 0
=>x = -8,-11
II. y^2 + 20y + 96 = 0
=>y^2 + 12y + 8y + 96 = 0
=>(y+8)(y+12) = 0
=>y = -8,-12
No relation - I.2x+5y = 42
II.11x-4y = 42x >= yx >= yy > xNo relationOption E
On solving both the equations, we get
x = y = 6
No relation - I.9x + 7y = 110
II. 11x – 5y = 26y > xx > yx >= yx >= yNo relationOption A
On solving both the equations, we get
y = 8
x = 6
y > x - The number of unsuccessful fighter planes launched is what percentage of the number of successful fighter planes launched by country A?
81.91%72.74%67.81%77.77%71.61%Option D
Required% = 7/9*100 = 77.77% - The table shows the data regarding the fighter planes launched by different countries in the year 2010.
127115105110122Option B
Average = (153+120+72)/3 = 115 - In 2011, the number of fighter planes launched by country C is 50% more than the previous year. If the ratio of successful to unsuccessful fighter planes launched in 2011 is 17:4. Find the number of unsuccessful fighter planes launched by C in 2011.
2029283632Option D
Number of fighter planes launched in 2011 = 126*1.5
= 189
Required number of unsuccessful fighter planes launched in 2011 = 4/21*189 = 36 - If 25% of the fighter planes launched by A were related to defence system. Find the number of defence related fighter planes launched by A.
6856617074Option A
Number of defence related fighter planes launched by A = 272*0.25 = 68 - Total number of fighter planes launched by country D is how much more than the number of fighter planes launched by country E.
8975809093Option E
Difference = 198-105 = 93
Directions(6-10): Answer the following questions based on the following information.
The table shows the data regarding the fighter planes launched by different countries in the year 2010.
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