Quantitative Aptitude (Numerical Ability)

Q. A right circular cylinder and a sphere have same radius and same volume. The ratio of their surface ara is
1) 8 : 3
2) 9 : 4
3) 4 : 3
4) 7 : 6

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Q. A sphere and a hemisphere have the same volume. The ratio of their radii is
1) 1 : 2
2) 1 : 8
3) 1 : √2
4) 1 : 3√2

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Q. Two circles with centres A and B and radius 2 nunits touch each other externally at `C'. A third circle with centre `C' and radius `2' units meets other two at D & E. Then the area of the quadrilateral ABDE is
1) 2√2 sq. unit
2) 3√3 sq. unit
3) 3√2 sq. unit
4) 2√3 sq. unit

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Q. If two adjacent sides of a rectangular parallelepiped are 1 cm and 2 cm and the total surface area of the parallelepiped is 22 square cm, then the diagonal of the parallelepiped is
1) √ 10 cm
2) 2√3 cm
3) √ 14 cm
4) 4 cm

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Q. The population of a village decreases at the rate of 20% per annum. If its population 2 years ago was 10,000, the present population is
1) 4600
2) 6400
3) 7600
4) 6000

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Q. A person who pays income tax at the rate of 4 paise per rupee, finds that a fall of interest rate from 4% to 3.75% diminishes his net yearly income by Rs. 48. What is his capital?
1) Rs. 24,000
2) Rs. 25,000
3) Rs. 20,000
4) Rs. 18,000

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Q. A man can swim at the rate of 4 km/hr in still water. If the speed of the water is 2km/hr, then the time taken by him to swim 10 km upstream is
1) 2 1/2 hrs
2) 3 1/2 hrs
3) 5 hrs
4) 4 hrs

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Q. A train is running at a speed of 90 km/hr. If it crosses a signal in 10 sec, the length of the train in metres is
1) 150
2) 324
3) 900
4) 250

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Q. Kishan spends 30% of his salary on food and donates 3% in a Charitable Trust. He spends Rs. 2,310 on these two items, then total salary for that month is
1) Rs. 6,000
2) Rs. 8,000
3) Rs. 9,000
4) Rs. 7,000

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Q. A's salary is increased by 10% and then decreased by 10%. The change in salary is
1) 0%
2) 1% decrease
3) 1% increase
4) 2% decrease

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In 2009, an unknown programmer by the name of Satoshi Nakamoto put forward a whitepaper that proposed a creation of new form of digital currency - cryptocurrency. Cryptocurrency functions the same way as regular currencies do in that its used as a means of exchange, unit of account and a store of va →

Food Safety and Standards Authority of India (FSSAI)

Headquarter: New Delhi Function and Objective of the Organization: The Food Safety and Standards Authority of India (FSSAI)has been established under Food Safety and Standards Act, 2006 which consolidates various acts & orders that have hitherto handled food-related issues in various Ministries →