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151) Which bacterial strain, developed from natural isolates by. genetic manipulations, can be used for treating oil spills?
No Explanation found. Add Explanation and get +2 points.
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152) Select the word which has same relation: Thunder : Rain :: ? : Night
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153) Find the odd number / letters / word from the given alternative
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154) Who among the following was the 1st Speaker of the Lok Sabha?
Explanation :
Ganesh Vasudev Mavalankar popularly known as Dadasaheb was an independence activist, the President of the Central Legislative Assembly, then Speaker of the Constituent Assembly of India, and later the first Speaker of the Lok Sabha, the lower house of the Parliament of India from 15 May 1952 – 27 February 1956.
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155) October 3 is observed as
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156) " World Press Freedom Day " is observed on ?
Explanation :
World Press Freedom Day is observed on 3 May every year.
This year’s theme is “Critical Minds for Critical Times: Media’s role in advancing peaceful, just and inclusive societies”.
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157) International Women's day is observed on
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158) " International Yoga Day " is observed on _____ ?
Explanation :
June 21St has been declared as the "International Yoga Day" by the United Nations General Assembly on December 11, 2014. The declaration came after the call for adoption of this day by Indian Prime Minister Narendra Modi during his address to UN General Assembly on September 27, 2014.
21st June, 2017 is the 3rd International Yoga Day.
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159) A man reaches his office 20 min late, if he walks from his home at 3 km per hour and reaches 30 min early if he walks 4 km per hour. How far is his office from his house ?
Explanation :
Let distance = x km.
Time taken at 3 kmph : dist/speed = x/3 = 20 min late.
time taken at 4 kmph : x/4 = 30 min earlier
difference between time taken : 30-(-20) = 50 mins = 50/60 hours.
x/3- x/4 = 50/60
x/12 = 5/6
x = 10 km.
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160) If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days what is time taken by 15 men and 20 boys?
Explanation :
Given that
6 men and 8 boys can do a piece of work in 10 days
26 men and 48 boys can do the same in 2 days
As the work done is equal,
10(6M + 8B) = 2(26M + 48B)
60M + 80B = 52M + 96B
=> M = 2B
=> B = M/2 ……(1)
Now Put (1) in 15M + 20B
=> 15M + 10M = 25M
Now, 6M + 8B in 10 days
=> (6M + 4M) 10 = 100M
Then D(25M) = 100M
=> D = 4 days.
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