Question
We in independent India have used science and technology
for our national development. Former Prime Minister Nehru gave the clarion Call: “let us make friends with science.” ……………………………… A country devastated by the wounds of partition, poverty and pestilence, rallied together through the application of science and technology. We rid ourselves of smallpox and polio, jumped our food grain output from 50 million tons to 270 million in a matter of 60 years. In each of these questions, a paragraph is given that has blank in it. Five sentences (1), (2), (3), (4) and (5) are suggested. Out of these, only one fits the blank in the context of the paragraph. Pick that sentence as the answer.Solution
The paragraph talks about how India used science & technology for its advantage & progress. Option 3 also talks about how India used science and technology for the human development.
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 Find the HCF of 756, 1134 and 1386.
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LCM of 21 5 , 21 10 and 21 15 is?
(1). 21 5
(2). 21 15
(3).2130
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Find the greatest number that will divide 115, 149 and 183 leaving remainders 3, 5, 7 respectively.