Get Started with ixamBee
Start learning 50% faster. Sign in now
Single digit numbers are from 1 to 9 so in that total digits used = 9. From 10 to 99 there are 90 numbers of 2 digits , so here digit used = 90 
2 = 180. From 100 to 500 there are 401 numbers of 3 digits = 3 401 = 1203 (as all are of 3 digit number). So number of digits required to first 500 natural number = 9+180+1203 = 1392
In a test, P got 26% of total marks and failed by 30 marks while Q got 46% of total marks which is 24 more than passing marks. Find the total marks of t...
In a department 20% of the employees are females. 45% of the male employees know English. The total number of employees who know English is 52%. Find th...
Anjali’s score is 40% more than Meena’s. Priya scored 150 more than the difference between Anjali and Meena. If Priya scored 270 marks, find Anjali�...
A village lost 20% of its cattle in a flood, 20% of remaining died due to diseases and 20% of the rest were disabled. If the number left now is 9600. Wh...
Suyash have total amount of Rs.2600 out of which, he spent 30% on food, 45% of the rest on travelling. Out of remaining amount he spends Rs.561 on misce...
A spent 25% of his monthly income on study and 70% of the remaining on rent. If amount spent on rent is Rs. 2016, then find the amount spent on study
The population of a city is decreased by 12% in the first year and then increased by 25% in the second year. Find the population of the city at the end...
Z spends 60% of his salary and saves the remaining. After his salary is increased by 30%, he saves 55% of the increased amount besides the amount he use...
A man donated 10%, 20% and 15% of his income to three NGOs ‘A’, ‘B’ and ‘C’, respectively. They spent 75%, 80% and 50% of respective sums re...
Amit scored 80 marks in subject X. He scored 60% marks in subject B and Y marks in subject D. Maximum marks in each subject was 300. The overall percent...
