ATQ, Number of ways to choose the first letter (vowel) 5C₁ =5 Number of ways to choose the second letter (Different vowel) = 4C₁ = 4 Number of ways to choose the third letter (different from the first two vowels) = 3C₁ = 5 Hence total number of ways = 5 × 4 × 3 = 60 ways
Ratio of number of book to number of pen sold by a shopkeeper is 13:8, respectively while ratio of number of pen to number of pencil sold by the same sh...
Ratio of males to females in village ‘A’ and village ‘B’ is 3:4 and 5:6, respectively and number of females in village ‘B’ is 25% more than ...
A sum of money is divided among P, Q, R and S in the ratio of 2:3:9:10 respectively. If the share of R's is Rs. 3900 more than the share of Q, then what...
In an office, the ratio of the number of males to number of females is 12:7. If 4 males joined the officeand 5 females left the office, then the ratio o...
40 liters of milk are kept in a container. 10 liters were removed and replaced with water. This procedure was performed two more times. How much milk do...
The total amount of money with three people is Rs 10500. If the ratio of amount with first person and second person is 7:3 and the ratio of amount with ...
In an orchard, the ratio of the number of mango and lichi trees is 5:8, respectively. Also, there are few apple trees in the orchard which is 40% more t...
Average run per wicket of a bowler is 11.5. In his next innings bowler took 6 wickets and conceded 48 runs, thereby he reduced his bowling average by 1....
The cost of a piece of diamond varies with the square of its weight. A diamond of Rs.6,084 value is cut into 3 pieces whose weights are in the ratio 3: ...
The ratio of the first and second class fares between two railways stations is 5 : 1 and that of the number of passengers travelling by first and second...
