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Question : The speeds of A and B are in the ratio 3 : 5. A takes 30 minutes more than B to reach the destination. In how much time does A reach the destination?
Option 1: 1 hour 15 minutes
Option 2: 1 hour 10 minutes
Option 3: 1 hour
Option 4: 1 hour 5 minutes
Correct Answer: 1 hour 15 minutes
Solution : The ratio of speeds of A and B = $3:5$ $\therefore$ The ratio of time of A and B = $5:3$ Let the times for A and B be $5x$ and $3x$. A takes = 30 minutes more than B Time difference
Question : The pie chart given here shows the spending by a family on various items during the year 2000. Study the graph and answer these questions. The ratio of the total amount of money spent on housing to that spent on education was:
Option 1: 2 : 5
Option 2: 5 : 4
Option 3: 4 : 5
Option 4: 5 : 2
Correct Answer: 5 : 4
Solution : Percentage of money spent on education = 12% Percentage of money spent on housing = 15% Money spent on an item is directly proportional to its percentage in the given pie chart. So, required ratio = 15 : 12 = 5 : 4
Question : The power of the Supreme Court of India to decide disputes between the centre and states falls under
Option 1: Advisory jurisdiction
Option 2: Original jurisdiction
Option 3: Appellate jurisdiction
Option 4: Jurisprudence
Correct Answer: Original jurisdiction
Solution : The correct option is Original jurisdiction.
The Supreme Court of India has the authority to resolve conflicts among the central government and states under its Original jurisdiction. This indicates that the Supreme Court has the power to hear matters without first referring them
Question : The value of $9 \div\left\{\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+\frac{1}{6} \div\left(\frac{3}{4}-\frac{1}{3}\right)\right.$ of $\left.\frac{2}{9}\right\}$ is:
Option 1: $\frac{540}{173}$
Option 2: $\frac{340}{173}$
Option 3: $\frac{480}{173}$
Option 4: $\frac{2540}{173}$
Correct Answer: $\frac{540}{173}$
Solution : $9 \div\left\{\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+\frac{1}{6} \div\left(\frac{3}{4}-\frac{1}{3}\right)\right.$ of $\left.\frac{2}{9}\right\}$ $=9 \div\left\{\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+\frac{1}{6} \div\left(\frac{5}{12}\right)\right. \text{of}\left.\frac{2}{9}\right\}$ $=9 \div({\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+\frac{1}{6} \div\frac{5}{54}})$ $=9 \div({\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+\frac{1}{6} \times\frac{54}{5}})$ $=9 \div({\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+\frac{9}{5} })$ $=9 \div({\frac{30+20+15+108}{60}})$ $=9 \div({\frac{173}{60}})$ $=9 \times({\frac{60}{173}})$ $={\frac{540}{173}}$ Hence, the correct answer is ${\frac{540}{173}}$.
Question : Amartya Sen was awarded the Nobel Prize for his contribution to
Option 1: Monetary Economics
Option 2: Welfare Economics
Option 3: Econometrics
Option 4: Development Economics
Correct Answer: Welfare Economics
Solution : The correct option is - Welfare Economics.
Amartya Sen, an Indian economist, received the 1998 Nobel Prize in Economic Sciences in recognition of his contributions to welfare economics and social choice theory.
Sen is best known for his research on the causes of famine,
Question : Select the most appropriate option that can substitute the underlined segment in the given sentence. I worked hard so that I might success.
Option 1: that I may success
Option 2: that I might successful
Option 3: that I might succeed
Option 4: that I might successor
Correct Answer: that I might succeed
Solution : The correct choice is the third option.
In this sentence, the verb succeed should be used in its base form after might as it is used to indicate a possibility or potential action.
The correct sentence is: "I worked hard so
Question : ABC is an isosceles triangle having AB = AC and $\angle$A = 40$^\circ$. Bisector PO and OQ of the exterior angle $\angle$ ABD and $\angle$ ACE formed by producing BC on both sides, meet at O, then the value of $\angle$BOC is:
Option 1: 70$^\circ$
Option 2: 110$^\circ$
Option 3: 80$^\circ$
Option 4: 55$^\circ$
Correct Answer: 70$^\circ$
Solution : Given, an isosceles $\triangle$ ABC with AB = BC And, $\angle$ A = 40$^\circ$ with bisectors PO and OQ of $\angle$ ABD and $\angle$ ACE. In $\triangle$ ABC, $\angle$A + $\angle$ B+ $\angle$ C = 180$^\circ$ Or, 40$^\circ$ + 2$\angle$C = 180$^\circ$ Or, $\angle$ B
Question : A is faster than B. A and B each walk 24 km. The sum of their speeds is 7 km/hr and the sum of their time taken is 14 hours. Then A's speed is equal to:
Option 1: 3 km/hr
Option 2: 4 km/hr
Option 3: 5 km/hr
Option 4: 7 km/hr
Correct Answer: 4 km/hr
Solution : Let the speed of A = $x$ km/hr and the speed of B = $(7-x)$ km/hr So, the time taken by A and B to walk 24 km are ($\frac{24}{x}$) hours and ($\frac{24}{7 - x}$) hours, respectively. Now $(\frac{24}{x}) + (\frac{24}{7-x}) =14$ $⇒ 24(7-x)+24x
Question : What is the positive value of the following expression? $\sqrt{36 \div 15 \text { of } 2 \text { of }[25 \times 4 \div 4 \text { of }\{29-(8-11) \div(9 \times 5 \div 5 \text { of } 3)\}]}$
Option 1: $1 \frac{5}{6}$
Option 2: $1 \frac{1}{5}$
Option 3: $2 \frac{4}{5}$
Option 4: $2 \frac{3}{5}$
Correct Answer: $1 \frac{1}{5}$
Solution : Given: $\sqrt{36 \div 15 \text { of } 2 \text { of }[25 \times 4 \div 4 \text { of }\{29-(8-11) \div(9 \times 5 \div 5 \text { of } 3)\}]}$ = $\sqrt{36 \div 15 \text { of } 2 \text { of }[25
Question : Normally, how many times the human heart beats in a minute?
Option 1: 82
Option 2: 75
Option 3: 72
Option 4: 85
Correct Answer: 72
Solution : The correct option is 72.
The term "heartbeat" refers to the periodic contraction, and relaxation of the chambers of the heart, which results in the flow of blood throughout the body. Normally, a human heart beats 72 times in a minute which can vary
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