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There is no digit to be 5 on any place in 4 digitsnumber from 1000 to 9999 = 8*9*9*9 (because of at 1000s place 0 and 5 both cannot come so 8 chances like wise for the unit,10s and100s place 5 cannot come so chance will be 9) =5832 Total number between 999 and 10000 = 9000 So, required numbers are =9000–5832=3168
Shops 'A' and 'B' together purchased a total of 9,200 notebooks in the ratio of 2:7 for shop 'A' and 4:9 for shop 'B'. Shop 'A' managed to sell 25% of i...
The cost of diamond varies directly as the square of its weight. A diamond broke into four pieces with weights in the ratio 4 : 5 : 6 : 7. if the loss i...
The ratio of two numbers is 3:5. If each number is decreased by 5, the ratio becomes 5:9. Find the smaller numbers.
A sum of money is divided among P, Q, R and S in the ratio of 1:2:5:6 respectively. If the share of R's is Rs. 2850 more than the share of Q, then what ...
The ratio of P :Q is 3 : 5 and that of Q : R is 4 : 7. If P equals 2400, then what is the value of R?
A bag contains a certain number of balls of different colors. The ratio of the number of black-colored balls to white-colored balls is 5:7, respectively...
The earnings of two individuals, P and Q, are in the ratio of 4:7. After an increase of 30% in Q’s earnings, his total earnings amount to Rs. 27,300. ...
In an office, the ratio of the number of males to number of females is 13:9. If 3 males joined the class and 7 females left the class, then the ratio of...
If A : B = 9:5 and A is 16 more than B then find the sum of A and B.
