SSC CGL Tier-2 12th September 2019 Maths

Instructions

For the following questions answer them individually

Question 81

To do a certain work,the ratio of the efficiencies of X and Y is 5 : 4. Working together, they can complete the same work in 10 days. Y alone starts the work and leaves after 5 days. The remaining work will be completed by X alone in:

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Question 82

The bisector of $$\angle B$$ in $$\triangle ABC$$ meets $$AC$$ at $$D$$. If $$AB = 10 cm, BC = 11 cm$$ and $$AC = 14 cm$$, then the length of $$AD$$ is:

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Question 83

The value of $$0.5\overline{6} - 0.7\overline{23} + 0.3\overline{9} \times 0.\overline{7}$$ is:

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Question 84

A circle is inscribed in a quadrilateral ABCD touching AB, BC, CD and AD at the points P, Q, R and S, respectively, and $$\angle B = 90^\circ$$. If AD = 24 cm, AB = 27 cm and DR = 6 cm, then what is the circumference of the circle?

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Question 85

Places A and B are 396 km apart. Train X leaves from A for B and train Y leaves from B for A at the same time on the same day onparallel tracks. Both trains meet after $$5\frac{1}{2}$$ hours. The speed of Y is 10 km/h more than that of X. What is the speed (in km/h) of Y?

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Question 86

If the curved surface area of a solid cylinder is one-third of its total surface area, then what is the ratio ofits diameter to its height?

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Question 87

A sum amounts to ₹14,395.20 at 9.25 % p.a. simple interest in 5.4 years. What will be the simple interest on the same sum at 8.6 % p.a. in 4.5 years?

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Question 88

When an article is sold at its marked price, it gives a profit of 25%. If a discount of 9.6% is allowed on the marked price, then the profit percent will be:

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Question 89

A man sells his goods at a certain price, 20% of whichis his profit. If the price at which he buys the goods increases by 10% and hesells them at an 8% higher price, then what will be his profit percent (correct to one decimal place)?

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Question 90

The given pie chart shows the quantity wise sales distribution of five products (A, B, C, D and E) of a company in 2016.
Quantity wise sales distribution of five products (A. B, C, D and E)

In 2016,if a total of 14616 units were sold, then the number of units of products D sold was:

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