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What approximate value should come in the place of (?) in the following questions?
747.03 ÷ √6890 + √170 * 16.91 – 26.16 * √65 =?
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747 ÷ √6889 + √169 * 17 – 26 * √64 =?
9 + 221 – 208 =?
22 =?
(13.07)2 + (29.93)2 - (23.314)2 =?
132 + 302 – 232 =?
169 + 900 - 529 =?
540 =?
(1710.01 ÷ √3250) – (13.19 * 1.991) =? ÷ √65
(1710 ÷ √3249 – (13 * 2) =? ÷ √64
30 – 26 =?/8
? = 32
29.91% of 580.07 + 21.181 % of 199.91 =? + √2115
30/100 * 580 + 21/100 * 200 =? + √2116
174 + 42 =? + 46
? = 170
38.91 * 4.99 – 12.04 * √35 + 9.14 * 2.902 =?
39 * 5 – 12 * √36 + 9 * 3 =?
195 – 72 + 27 =?
150 =?
Following question contains two equations as I and II. You have to solve both equations and determine the relationship between them and give answer as,
I) x2 + 13x + 22 = 0
II) y2 + 15y + 26 = 0
x2 + 13x + 22 = 0
x2 + 11x + 2x + 22 = 0
x(x + 11) + 2(x + 11) = 0
(x + 2)(x + 11) = 0
x = -2, -11
y2 + 15y + 26 = 0
y2 + 13y + 2y + 26 = 0
y(y + 13) + 2(y + 13) = 0
(y + 2)(y + 13) = 0
y = -2, -13
Relationship between x and y cannot be established.
I) 5x2 - 15x + 10 = 0
II) y2 - 5y + 6 = 0
5x2 - 15x + 10 = 0
5x2 – 10x – 5x + 10 = 0
5x(x – 2) – 5(x – 2) = 0
(5x – 5)(x – 2) = 0
x = 1, 2
y2 - 5y + 6 = 0
y2 – 2y – 3y + 6 = 0
y(y – 2) – 3(y – 2) = 0
(y – 3)(y – 2) = 0
y = 3, 2
x ≤ y
I) x2 – 12x + 32 = 0
II) y2 – 17y + 72 = 0
x2 – 12x + 32 = 0
x2 – 8x – 4x + 32 = 0
x(x – 8) – 4(x – 8) = 0
(x – 4)(x – 8) = 0
x = 4, 8
y2 – 17y + 72 = 0
y2 – 8y – 9y + 72 = 0
y(y – 8) – 9(y – 8) = 0
(y – 9)(y – 8) = 0
y = 9, 8
I) x2 – 32x + 252 = 0
II) y2 – 26y + 168 = 0
x2 – 32x + 252 = 0
x2 – 14x – 18x + 252 = 0
x(x – 14) – 18(x – 14) = 0
(x – 18)(x – 14) = 0
x = 18, 14
y2 – 26y + 168 = 0
y2 – 14y – 12y + 168 = 0
y(y – 14) – 12(y – 14) = 0
(y – 12)(y – 14) = 0
y = 12, 14
x ≥ y
I) x2 + 13x + 40 = 0
II) y2 + 19y + 90 = 0
x2 + 13x + 40 = 0
x2 + 8x + 5x + 40 = 0
x(x + 8) + 5(x + 8) = 0
(x + 5)(x + 8) = 0
x = -5, -8
y2 + 19y + 90 = 0
y2 + 9y + 10y + 90 = 0
y(y + 9) + 10(y + 9) = 0
(y + 10)(y + 9) = 0
y = -10, -9
x > y
Correct (-)
Wrong (-)
Skipped (-)