R is 80% more efficient than S. If S alone can make a book in 90 days, then R alone can make the book in how many days?
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In December 2017, who launched project ‘DARPAN’ (Digital Advancement of Rural Post Office for a New India)?
In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.
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What is not true with CT Scan?
Which country has released its next-generation 'Xian' H-20 stealth bomber?
Which of the following is not a constituent of biogas?
In the following question, select the odd letter/letters from the given alternatives.
An angle is greater than its complementary angle by 40°. Find the measure of the angle?