SSC CPO 12th Dec 2019 Shift-1

Instructions

For the following questions answer them individually

Question 141

The profit on selling an article for ₹1,100 is equal to three times the amount of loss on selling it for ₹700. To gain 12.5%, the article must be sold for:

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Question 142

If a = 500, b = 502 and c = 504, then the value of $$a^3 + b^3 + c^3 - 3abc$$

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Question 143

The value of $$8 \div [(9 - 5) \div \left\{(4 \div 2 of 4) - (8 \div 8 of 16) + (4 \times 2 \div 8)\right\}]$$ is:

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Question 144

Study the given graph and answer the question that follows.

The number of students who obtained 20 marks or more but less than 60 marks is:

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Question 145

From the top of a lamp post of height x metres, two objects on the ground on the sameside of it (and in line with the foot of the lamp post) are observed at angles of depression of $$30^\circ$$ and $$60^\circ$$, respectively. The distance between the objects is $$32\sqrt{3}$$ m. The value of x is:

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Question 146

If $$x^4 + x^2y^2 + y^4 = \frac{21}{256}$$ and $$x^2 + xy + y^2 = \frac{3}{16}$$ then $$2(x^2 + y^2) =$$

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Question 147

The value of $$\frac{\left(3\frac{1}{3} - 2\frac{1}{2}\right) \div \frac{1}{4} of 1\frac{1}{4}}{\frac{3}{10} + \frac{1}{6} \times \frac{1}{3}}$$ of $$\frac{4}{15} \div \frac{\frac{1}{3} \div \frac{1}{3} of \frac{1}{9}}{\frac{1}{9} \times \frac{1}{3} \div \frac{1}{6}}$$ is:

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Question 148

Seven years ago, the ages (in years) of A and B were in the ratio 4 : 5 and 7 years hence, their ages will be in the ratio 5 : 6. What will be the ratio of their ages 5 years from now?

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Question 149

A person rows a distance of $$3\frac{3}{4}$$ km upstream in $$1\frac{1}{2}$$ hours and a distance of 13 km downstream in 2 hours. How much time (in hours) will the person take to row a distance of 90 km in still water?

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Question 150

A started a business with a capital of ₹1,12,000. After 2 months, B joined the business with a capital of ₹80,000, and after another 2 months, C joined the business with a capital of ₹72,000. After 10 months from thestart of the business, B withdrew %8,000 and C also withdrew ₹8,000. If B received ₹9,800 as his share in the profit at the end ofa year, then the total profit was:

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