SSC CPO 2 July 2017 Morning Shift

Instructions

For the following questions answer them individually

Question 131

When a = 61, b = 63 and c = 65, then what is the value of a$$^{3}$$ + b$$^{3}$$ + c$$^{3}$$ - 3abc?

Video Solution
Question 132

If x = 3-2√2, then √x + (1/√x) is equal to ____.

Video Solution
Question 133

If$$\frac{1}{x+2}=\frac{3}{y+3}=\frac{1331}{z+1331}=\frac{1}{3}$$, then what is the value of $$\frac{x}{x+1}+\frac{4}{y+2}+\frac{z}{z+2662}?$$

Video Solution
Question 134

If$$\ x^{2}+\frac{1}{x^{2}}=\frac{7}{4}$$ for x > 0, then what is the value of x + $$\frac{1}{x}$$?

Video Solution
Question 135

If x + y + z = 0, then what is the value of $$\frac{x^{2}}{yz}+\frac{y^{2}}{xz}+\frac{z^{2}}{xy}$$?

Video Solution
Question 136

What is the ratio of in-radius and circum-radius of an equilateral triangle?

Video Solution
Question 137

In ΔPQR, ∠P : ∠Q : ∠R = 1 : 3 : 5. What is the value (in degrees) of ∠R - ∠P?

Video Solution
Question 138

A circular wire of length 168 cm is cut and bent in the form of a rectangle whose sides are in the ratio of 5 : 7. What is the length (in cm) of the diagonal of the rectangle?

Video Solution
Question 139

In ΔABC, a line parallel to side BC cuts the side AB and AC at points D and E respectively and also point D divide AB in the ratio of 1 : 4. If area of ΔABC is 200 cm$$^{2}$$, then what is the area (in cm$$^{2}$$) of quadrilateral DECB?

Video Solution
Question 140

In the given figure, PB is one-third of AB and BQ is one-third of BC. If the area of BPDQ is 20 $$cm^{2}$$, then what is the area (in$$\ cm^{2}$$) of ABCD?

Video Solution
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