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नवीनतमलोकप्रियमूल्यांकनपेज देखें 374 of 493कुल सवाल 3944 जॉइन Examsbook

प्र: What element is found in all organic compounds? 1973 0

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    Hydrogen
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  • 2
    Calcium
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  • 3
    Nitrogen
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  • 4
    Carbon
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उत्तर : 4. "Carbon"
व्याख्या :

Answer: D) Carbon Explanation: Carbon is found in all organic compounds.

प्र: Sriram was conducting an experiment in which the average of 11 observations came to be 92, while the average of first five observations was 89, and that of the last five was 86. What was the measure of the 6th observation ? 1973 0

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    134
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  • 2
    137
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  • 3
    139
    सही
    गलत
  • 4
    141
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उत्तर : 2. "137"
व्याख्या :

Answer: B) 137 Explanation: This can be done as,   (11 × 92)  -  (5 × 89)  -  (5 × 86)    = 1012- 445 - 430 = 137

प्र: The boring of India’s first underwater rail tunnel has completed under which river  ? 1973 0

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    Hooghly River
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  • 2
    Kaveri River
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  • 3
    Godavari River
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  • 4
    Krishna River
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उत्तर : 1. "Hooghly River"
व्याख्या :

Answer: A) Hooghly River Explanation: The boring of India’s first underwater rail tunnel under the Hooghly River for establishing metro link between Howrah and Kolkata has completed before its scheduled deadline of July 2017. The tunnel is 16.6 km long, out of which 10.8 km runs under the ground. Of this 10.8 km, 502 metres is under the water and the whole thing connects Howrah to the west and Salt lake to the east. It will have 12 stations and six will be underground. Estimated cost of the entire project is $750 million or about Rs 5,000 crores. The final commissioning of the project is expected by December 2019, following which it will be operational. The project is built by Afcons Transtonnelstroy and implemented by Kolkata Metro Railway Corporation Ltd (KMRCL).

प्र: Avinash gave a sum of 5400 at the simple rate of interest of 8% to Rajeev for 4 years and Rajeev gave this amount to Chanukya at the rate of 6% for 4 years. Find how much extra amount has to be paid by Rajeev to Avinash after 4 years? 1973 0

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    Rs. 364
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    Rs. 432
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  • 3
    Rs. 498
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    गलत
  • 4
    Rs. 554
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उत्तर : 2. "Rs. 432"
व्याख्या :

Answer: B) Rs. 432 Explanation: Here Avinash gave to Rajeev and Rajeev gave the same to Chanukya Principal amount and Time is same but the only difference is Rate of interest. Rajeev took @ 8% and gave it to Chanukya @ 6% Here the difference in interest rate = 2% 2% of 5400 should be the extra amount paid by Rajeev to Avinash Required amount = 2 x 5400 x 4100 = 432   Hence, Rs. 432 is the extra amount has to be paid by Rajeev to Avinash after 4 years.

प्र: What value will come in place of question mark (?) in the number - series given below  ?  4, 30, ?, 1440, 7195, 71940 1972 0

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    145
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    545
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  • 3
    650
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  • 4
    999
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उत्तर : 1. "145"
व्याख्या :

Answer: A) 145 Explanation: 4       30       ?     1440       7195      71940   Here the given series follows a pattern of   4   4 x 10 - 10 = 30   30 x 5 - 5  = 145   145 x 10 - 10 = 1440   1440 x 5 - 5 = 7195   7195 x 10 - 10 = 71940   Hence, the missing number is 145

प्र: Is a mushroom an autotroph? 1972 0

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    TRUE
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  • 2
    FALSE
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उत्तर : 2. "FALSE"
व्याख्या :

Answer: B) FALSE Explanation: Mushrooms are heterotrophs. They are not plants or autotrophs.   Every living thing that exists need energy in order to live. This energy ultimately comes from the sun, and only plants, or autotrophs, can directly use this energy to make food. Those organisms that cannot harness the sun's energy are known as heterotrophs.   Mushrooms belong to kingdom Fungi and are heterotrophs because they decompose and consume nutrients from the soil. They are not green so they cannot photosynthesize For this reason, mushrooms and all other fungi are heterotrophs.

प्र: You can drop me from the longest building & I will be LIVE, but if you drop me in the water I DIE. WHO AM I? 1972 0

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उत्तर :
व्याख्या :

A Paper.

प्र: Who has become the first batsman to score three double tons in One Day Internationals? 1972 0

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    Virat Kohli
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  • 2
    AB de Villiers
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    Chris Gayle
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  • 4
    Rohith Sharma
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उत्तर : 4. "Rohith Sharma"
व्याख्या :

Answer: D) Rohith Sharma Explanation:

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