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The given number can only be completely divided by 11 if the difference between the sum of digits at the odd position and the sum of digits at the even position in a number is 0 or 11. 1987645 1+8+6+5=20 9+7+4=20 =20-20=0.
The respective ratio of monthly income of A to monthly income of B is 6:7, and A’s saving is (100/7)% more than B’s saving. Find the expenditure of ...
The volume of a cube is reduced to 72.9%. By how much is the side of the cube reduced?
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 school there are 60% boys and rest are girls. If number of girls is 360 then find the total number of boys in the school.
Vodafone charges a fixed rental of Rs. 450 per month. It allows 200 calls free per month. Each call is charged at 1.8 when the number of calls exceeds 2...
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...
P spends 27% of his salary on transportation, 30% on food, 18% on children’s education and 16% on medical. He deposits the remaining amount of Rs....
The current population of a city is 50,000. If the population of males increases by 4% and the population of females increases by 6%, the total populati...
In a train, 40% of the passengers are females. Out of total number of passengers, 60% have unreserved tickets out of which 20% are females. How much per...
Jay, Karan, and Lata contested an election in which 9100 votes were polled and none of the votes were invalid. Karan got 45% more votes than the total v...