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Watson & crick gave the double helix structure of DNA.
If 45% of a number is 90, what is 60% of the same number?
Income of A is 60% of the Income of B and A together. The saving of B is 45% of his Income and equals to Rs. 8100. Find the difference between the incom...
A and B together have total of Rs.4000 out of which they donated 20% to the orphanage school. The remaining amount is to be then redistributed between t...
Income of A is twice the income of B. B and A spend 50% and 60% respectively of their incomes. Find the savings of A, if B saves Rs. 12000 in a month.
Monthly savings of ‘A’ is Rs. 900 more than his monthly expenditure and his total monthly income is Rs. 7500. If his monthly income is increased by ...
A, B, C, and D purchased a cine-multiplex for Rs. 56 lakhs. The contribution of B, C, and D together is 366.66% that of B’s contribution and contribut...
In a given years, A sold 1200 caps while B sold 20% more number of caps than A and C sold 10% less number of caps than B. Find the ratio between the num...
A car driver’s income consist of his salary and tips. During one week his tips were 5/4 of his salary. What portion of his total income came from ...
In a competitive examination containing 200 questions, 2 marks are awarded for every correct answer and 1 mark gets deducted for every wrong answer. If ...
Monthly savings of X is 50% of his monthly income which is Rs. 9000. If ratio of monthly expenditure of Y and X is 15:8 respectively and monthly savings...