Of the 5 subjects, the average marks of Rakesh in first 3 Subjects was 79 and the average marks in the last 3 subjects was 86. If his marks in the third subject was 80, then what was his average marks in all the 5 subjects?
A, B and C start a business and the ratio of their investment is 8 : 5 : 3. If at the end the ratio of their profits is 4 : 15 : 6, then what is the ratio of time period of their investment?
The ratio of incomes of C and D is 3 : 2. Ratio of income of D and E is 5 : 4. If one-third of C’s income is Rs 4000 more than the half of E’s income, then what is the D’s income (in Rs)?
A word is represented by only one set of numbers as given in any one of the alternatives. The sets of the numbers given in the alternatives are represented by two classes of alphabets as shown in the given two matrices. The column and rows of matrix-I are numbered from 0 to 4 and the matrix-II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column from these matrices B can be represented by 41, 32 and Y can be represented by 87, 96, etc. Similarly, you have to identify the word 'SLMAT'
A water tank has holes. The 1st hole alone empties the tank in 9 min and 2nd hole alone empties the tank in 6 min. If water leaks out at a constant rate, how many min does it take if both the holes together empty the tank?