Seven persons, M, N, O, P, Q, R and S are of different weights. Only Q is lighter than O. P is heavier than M. R is heavier than N. P is not heavier than N. Number of persons heavier than P is equal to the number of persons lighter than S. How many persons are lighter than S?
R > N > P > M > S > O > Q
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Alloy A contains copper and zinc in the ratio 4:5 and alloy B contains copper and zinc in the ratio 7:2. A and B are taken in the ratio 7:4 and melted t...
if ratio of present age of Aman to that of Bineet is given as 2:3 and the ratio of present age of Aman to that of Chintu is 13:8.Then, what will be the ...
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Income of A is twice the income of B. B and A spend 70% and 80% respectively of their incomes. Find the savings of A, if B saves Rs. 21000 in a month.
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A shopkeeper charges sales tax of x% up to Rs, 2000 and above it he charges y%. A customer pays a total tax of Rs. 320, when he purchases the goods wort...
A student has to obtain 35% of the total marks to pass. He got 214 marks and failed by 31 marks. What are the maximum marks?
A girl spent 30% of her monthly income on clothing. Of the remaining, she spent on travel and food in the ratio of 4:3. If the difference of the income ...
