प्रश्न और उत्तर का अभ्यास करें

प्र: K is 4 times as fast as L and working together, they can complete a work in 24 days. In how many days can L alone complete the work ? 2298 0

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    30 days
    सही
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    40 days
    सही
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    120 days
    सही
    गलत
  • 4
    80 days
    सही
    गलत
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उत्तर : 1. "30 days"
व्याख्या :

Answer: A) 30 days Explanation: Given K=4L  -->K+L = 4L+L = 5L   These 5L people can complete the work in 24 days, which means L alone can do the work in (24 x 5)=120 days.   Hence, K alone can do the work in 120/4= 30 days.

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उत्तर : 1. "Rs. 250 "

प्र:

किसी कूट भाषा में , CROWNED को APMULCB से कूटित करते है , तो CAMPUS शब्द को कैसे कूटित किया जाएगा ? 

2298 0

  • 1
    AYKMSQ
    सही
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  • 2
    AYKNSQ
    सही
    गलत
  • 3
    AZKMSP
    सही
    गलत
  • 4
    AYLMSQ
    सही
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उत्तर : 2. "AYKNSQ "

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उत्तर : 1. "modern"

प्र: The purpose of choke in tube light is 2298 0

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    Induce high voltage
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    Induce low resistance
    सही
    गलत
  • 3
    Induce high resistance
    सही
    गलत
  • 4
    Induce low voltage
    सही
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उत्तर : 1. "Induce high voltage"
व्याख्या :

Answer: A) Induce high voltage Explanation: When the switch is ON, in a tube light choke is nothing but the coil/ballast ( inductor) which is used to induce the high voltage across it. as we know that inductor has property to induce high voltage for the brief period of time, this high voltage is required to ionize the gases in the starter. Then gas inside the starter gets ionized due to this full voltage and heats the bimetallic strip that is caused to be bent to connect to the fixed contact. Current starts flowing through the starter. Although the ionization potential of the neon is the little bit more than that of the argon but still due to small electrode gap high voltage gradient is appeared in the neon bulb and hence glow discharge is started first in a starter. As voltage gets reduced due to the current causes a voltage drop across the inductor, the strip cools and breaks away from the fixed contact. At that moment a large L di/dt voltage surge comes across the inductor at the time of breaking. This high valued surge comes across the tube light electrodes and strikes penning mixture (mixture argon gas and mercury vapor). Gas discharge process continues and current gets the path to flow through the tube light gas only due to low resistance as compared to the resistance of starter.

प्र:

मूल्य सिद्धांत को इस नाम से भी जाना जाता है – 

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    समष्टि अर्थशास्त्र
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    विकास अर्थशास्त्र
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  • 3
    सार्वजनिक अर्थशास्त्र
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  • 4
    सूक्ष्म अर्थशास्त्र
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उत्तर : 4. "सूक्ष्म अर्थशास्त्र"

प्र:

Directions: Read the following passage and answer the following questions. Some words are highlighted to help you answer some of the questions.

A golden age for Western schools in China may be coming to an end in the face of a new government clampdown. China has been a happy hunting ground for Western schools in recent years, as a burgeoning middle class looks to equip their children with the qualifications to get into a Western university, as well as the skills to join a global workforce. The last five years has seen a 64% increase in the number of students enrolled in international schools in China, which now account for 372,000 children in 857 schools.

But from next year, schools will have to select their students via a lottery, rather than being able to pick and choose from among the applicants. The crackdown has been prompted by fears that foreign-owned schools are poaching the brightest children, according to Richard Gaskell, director of international education analysts ISC Research. The move follows changes introduced last year’s requiring   international schools to teach the Chinese curriculum alongside other national programs.

There is a backlash against the rapid increase in international schools in China, where it’s perceived that they have been simply creaming off the best students. International schools should put expansion plans on hold until the full effect of the changes becomes apparent next spring, he told the Headmasters’ and Headmistresses’ Conference of leading fee-paying schools in the U.K.

The international schools market has exploded in China in recent years, after the authorities relaxed regulations Chinese children attending foreign-owned schools. Until then, international schools almost entirely served the children of foreign nationals, but opening them up to Chinese children revealed a massive and previously untapped demand.

For the growing Chinese middle class, the schools provided a more reliable route that Chinese national schools for getting into highly-regarded universities in the West, particularly those in the U.S. and U.K. These students, in turn, represent a lucrative source of income, for both the schools themselves and for Western universities. The annual fee for a leading international school is around 280,000 yuan, or $39,000.

China is the largest source of international students at U.K. universities, _________________ for more than one in five at undergraduate and postgraduate level. Some of the most prestigious private schools have sought to capitalise on their brand by opening branches in China in recent years. A record 14 British international schools have opened or are due to open in China this year, including outposts of the King’s School, Canterbury, and Shrewsbury School, which counts Charles Darwin among its alumni.

But despite the increased scrutiny, there are still opportunities for international schools to open in China, given the "massive demand" among Chinese families. There is a deep desire amongst the wealthy, middle class and young Chinese parents for a Western style of education. Parents want an international education but also want their children to retain their culture and identity, he added, as well as excellent exam results and "places at the top universities."

Which of the following words means the SAME as RELAXED, as highlighted in the passage?

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    eased
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    reached
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    dressed
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    associated
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    stressed
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उत्तर : 1. "eased"

प्र: Devaluation of currency can correct a Balance of Payments deficit because___ 2298 0

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    It lowers price of exports in foreign currency and rises price of imports in home currency
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    It raises price of exports in foreign currency and lowers price of imports in home currency
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  • 3
    It raises price of exports and imports in foreign currency
    सही
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  • 4
    It lowers price of exports and imports in home currency
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उत्तर : 1. "It lowers price of exports in foreign currency and rises price of imports in home currency"

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