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Total number of letters = 6 Four consonants can be arranged in 4! Ways and two vowels can be arranged in 2! Required number of arrangements = 4! x 2! = 48
How many identical spherical marbles having a diameter of 4 cm can be made by melting a hemisphere of radius 28 cm? (Use π = 22/...
Average age of a class of 33 students is 14 years. Average age of the class is increased by 18 months if the age of the teacher is included. Find the ag...
Average run scored by a batsman in 14 innings is 80. In next 6 innings, he scored runs with an average of ‘x’ so that his overall average increases ...
A number is such that when it is multiplied by 6, it gives another number which is as much above from 210 as the original number (itself) is below 210. ...
The average of 10 numbers is 21.6. The average of the first four numbers is 17.5, and the average of the last three numbers is 24. The fifth number is 6...
Given a set of 25 numbers, the overall average is 60. The first 11 numbers in this set have an average of 48, while the last 15 numbers have an average ...
The average of 25 numbers is 22.The average of first 12 numbers is 14 and that of the last 12 numbers is 17. What will be the 25th number?
Out of three numbers the average of the first and the second number is 37 more than the average of the second and the third number. What is the differen...
Average of 20 numbers is 90. Average of first 8 numbers is 125 while average of last nine numbers is 40. If ninth number is 25% less than the tenth numb...
