The number of five–digit telephone numbers which can be formed using the digits of 0, 1, 2,...., 9 is 105. The number of five-digit telephone numbers which have none of their digits repeated is 10P5 = 10 × 9 × 8 × 7 × 6 = 30240 Hence the required number =105 - 30240 = 69760
What is the reflex angle between the hands of a clock at 15 minutes past 5?
At what time between 3:30 and 4 will hands of a clock be at the right angles?
Mishti's birthday is on Thursday 27th April. On what day of the week will be Aradhya's Birthday in the same year, if Aradhya was born on 20
If 10th of the month falls on the day preceding Sunday, on what day will 1st of the month fall?
If the day before yesterday was Wednesday, then the day after tomorrow will be:
If the second day of a month is Friday, which of the following would be the last day of the next month which has 31 days?
What will be the day of the week on 2nd October 2018?
Find the angle between the hour and minute hand of the clock when the time is 3:25 AM?
If today is Tuesday, then what day of the week will it be after 153 days?
Joseph's watch perform 2 min slow at 4 p.m. on Sunday. It is observed that this watch performs 4 minute faster at 4 p.m. on Monday. Then find on which d...
