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We need the length of both the trains for the distance. Hence, both statements I and II together and not sufficient to answer the question.
The average number of books on Biology, Chemistry, and Physics in a book shop is 300. Biology books are 150 more than the average number of Chemistry an...
The average age of A, B, and C is 20 years. 3 years ago, the sum of the ages of A and B was 7 more than that of C. Find the present age of C.
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 50 and ratio of the 4th and the 5th number is 2:3. If difference between t...
In a factory of 40 labours, if the two labours left the job whose wages were Rs. 950 and Rs. 1050 and two new labours join the factory which results in ...
The average of 75 percent of x and 48 percent of y is 90. What will be the average of 125 percent of x and 80 percent of y?
The average marks of 50 students in an examination was 65. It was later found that the marks of one student had been wrongly entered as 83 instead of 38...
The average of ten numbers is A. If c is subtracted from each number except the tenth and (c-1) is subtracted from the tenth number, then what will be t...
The average of 7 consecutive numbers is 20. The largest of these numbers is
While tabulation of marks scored in an examination by the students of a class, by mistake the marks scored by one student got recorded as 93 in place o...
30 students go for a picnic. 15 of them spent Rs. 64 each on their food and rest spent Rs.5 more than the average expenditure of all 30. What was the to...