SSC CHSL 18th March 2020 Shift-1

Instructions

For the following questions answer them individually

Question 61

The following graph shows the data of the number of candidates that appeared and qualified for a competitive exam from the colleges A, B, C, D, E.

Based on the information, the difference between the percentage of students that qualified, from the colleges B and D is:

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Question 62

In a 56 liters mixture of milk and water, the ratio of milk to water is 5 : 2. In order to make the ratio of milk to water  7 : 2, some quantity of milk is to be added to the mixture. The quantity of the milk present in the new mixture will be:

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Question 63

If the value of $$\frac{3x\sqrt y + 2y\sqrt x}{3x\sqrt y - 2y\sqrt x} - \frac{3x\sqrt y - 2y\sqrt x}{3x\sqrt y + 2y\sqrt x}$$ is same as that of $$\sqrt x \sqrt y,$$ then which of the following relations between x and y is correct?

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Question 64

A man has ₹10,000. He lent a part of it at 15% simple interest and the remaining at 10% simple interest. The total interest he received after 5 years amounted to ₹6,500. The difference between the parts of the amounts he lent is:

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Question 65

If one side of a triangle is 7 with its perimeter equal to 18, and area equal to $$\sqrt{108}$$, then the other two sides are:

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Question 66

$$\frac{1 - \tan A}{1 + \tan A} = \frac{\tan 3^\circ \tan 15^\circ \tan 30^\circ \tan 75^\circ \tan 87^\circ}{\tan 27^\circ \tan 39^\circ \tan 51^\circ \tan 60^\circ \tan 63^\circ}$$, then the value of $$\cot A$$ is :

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Question 67

If x is the square of the number when $$\left(\frac{2}{5} \text{of}  6\frac{1}{4} \div \frac{3}{7}\right)$$ of $$1 \frac{2}{7}$$ is divided by $$11\frac{1}{4}$$, then the value of 81x is:

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Question 68

Ravi starts for his school from his house on his cycle at 8:20 a.m. If he runs his cycle at a speed of 10 km/h, he reaches his school 8 minutes late, and if he drives the cycle at a speed of 16 km/h, he reaches his school 10 minutes early. The school starts at:

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Question 69

If a% of 240 is c and c% of a is 117.6, then the value of a + c is:

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Question 70

A secant is drawn from a point P to a circle so that it meets the circle first at A, then goes through the centre, and leaves the circle at B. If the length of the tangent from P to the circle is 12 cm, and the radius of the circle is 5 cm, then the distance from P to A is:

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