SSC CHSL 10 July 2019 Shift-1

Instructions

For the following questions answer them individually

SSC CHSL 10 July 2019 Shift-1 - Question 51


The simplified value of $$\left[1\frac{1}{5}  of  \left\{\frac{3}{7} - \left(1\frac{4}{15}-\frac{13}{15}\right) \times \frac{5}{7}\right\}\right] \div \left(\frac{6}{7} \div 5\right)$$ is:

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SSC CHSL 10 July 2019 Shift-1 - Question 52


The point A of a triangle ABC moves parallel to the straight line BC. Which one amongthe following also moves along a straightline parallel to BC?
(a) The circumcentre (b) the centroid (c) the incentre (d) the orthocentre.

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SSC CHSL 10 July 2019 Shift-1 - Question 53


If $$\frac{\cos \alpha}{\sin \alpha + \cos \beta} + \frac{\cos \beta}{\sin \beta - \cos \alpha} = \frac{x}{\sin \alpha - \cos \beta} + \frac{\cos \beta}{\sin \beta + \cos \alpha}$$ then '$$x$$' is equal to:

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SSC CHSL 10 July 2019 Shift-1 - Question 54


Three successive discounts on the marked price of an article turns out to be equivalent to a single discount of 19%.If the rates of the first and second discountare 10% and 4% respectively, what is the rate of the third discount?

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SSC CHSL 10 July 2019 Shift-1 - Question 55


The given Bar Graph presents the runs scored (A) and strike rate (B) of a batsman in five matches. Strike Rate is the number of runs scored per 100 balls faced. The strike rate (B) is taken on record only when the batsman scores at least 30 runs in a match.

What is the average strike rate of the batsman?

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SSC CHSL 10 July 2019 Shift-1 - Question 56


Ina $$\triangle$$ABC, AD is perpendicular to BC from A. if $$\angle BAC = 90^\circ,  then  AB^2 : AC^2$$ is equal to:

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SSC CHSL 10 July 2019 Shift-1 - Question 57


The total cost price of two articles is ₹2,000. Oneofthem is sold at a profit of 12% and the other at a loss of 12%. The overall gain in the transaction is 1.2%. The costprice of the article for which there wasa profit was:

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SSC CHSL 10 July 2019 Shift-1 - Question 58


For $$\theta$$ being an acute angle, $$4(2 \sin^2 \theta + 7 \cos^2 \theta) = 13$$. What is the value of $$\theta$$?

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SSC CHSL 10 July 2019 Shift-1 - Question 59


A boy standing by the side of a railway track finds that an Up train crosses him in 8 seconds and a Down train of twice the length of that of the Up train crosses him in 20 seconds. How long (in seconds) will the two trains take to cross each other?

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SSC CHSL 10 July 2019 Shift-1 - Question 60


$$a, b, c$$ are three positive numbers, such that, $$(a + b + c) = 20, a^2 + b^2 + c^2 = 152$$. The value of $$(ab + bc + ca)$$ is equal to:

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