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74 is odd because sum of digit of 74 is 11, which is double digits number where 44, 54 and 50 having single digit of sum digit as 8, 9 and 5 respectively.
Income of A is twice the income of B. B and A spend 65% and 75% respectively of their incomes. Find the savings of A, if B saves Rs. 7000 in a month.
A scored 20% more than B. If both score 4 marks more than the sum of the marks scored by A and B together would have been 20% more than the passing mar...
Rajesh spent 40% and 20% of his monthly salary on food and rent, respectively. Of the remaining amount, he gave 15% and 30% to his mother and brother, r...
B invests 40% of his monthly salary on Travelling and 25% of remaining on Food. Again, he invested 20% of the remaining (after travelling and food expen...
Monthly savings of X is 45% of his monthly income which is Rs. 8800. If ratio of monthly expenditure of Y and X is 15:8 respectively and monthly savings...
A company’s revenue increased by 20% in the first year and by 10% in the second year. If the revenue at the beginning of the first year was ₹1,00,00...
Seven years ago, the ratio of the ages of A and B was 4: 5. Eight years hence, the ratio of the ages of A and B will be 9:10. What is the sum of their p...
In a mixed school 25% of the scholars are infants under 7 and the number of girls above 7 is 4/5 of the number of boys above 7, and amounts to 120. Find...
