Question
Which US-based company has developed 'smart guns' that
use biometric identification technology to restrict firearm use only to authorized persons?Solution
A US-based company Biofire has developed ‘smart guns’ that use biometric identification, which would only allow authorised persons to fire.
Monthly income of Ankit and Bhaskar is Rs. (x + 160) and Rs. x, respectively. If monthly income of Ankit is increased by 24% while that of Bhaskar is de...
In a college the ratio of boys and girls are in the ratio 7:9. 65% girls and 40% boys were absent. Find the girls present if the total number of student...
Out of a total of 200 students in a class, 60% are boys and the rest are girls. Out of the total number of students who appeared in the class test, 25% ...
M is 25% less than N and P is 20% more than Q. If Q is 15% more than M, then which of the following is true?
A certain number of students from school X appeared in an examination and 30% students failed. 150% more students than those from school X. appeared in ...
A candidate who gets 22% marks fails by 10 marks but another candidate who gets 40% marks gets 14% more than the passing marks. Find the maximum marks.
A candidate who gets 26% marks fails by 10 marks but another candidate who gets 46% marks gets 15% more than the passing marks. Find the maximum marks.
In a job fair, 50% of the people are graduates, one fifth of them are post graduates and rest are double graduates. If three-fourth of the graduates, 60...
Monthly income of A is Rs. 55000 out of which he spent 21%, 9% and 22% of his total income in rent, medicine and transportation, respectively. Find his ...
A man invests 'x'% of his monthly salary of Rs. 48,000 at an interest rate of 12.5% simple interest. After 4 years, the interest earned amounts to Rs. ...
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