Find the next number in the series 1, 3 ,7 ,13 ,21 ,31?
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A watch which gains 5 secons in 3 min was set righr at 7 am . in the afternoon of the same day, when the watch indicated quater past 4'0 clock the true time is (*** plz give the explanation**)
The sum of the digits of a two digit number is 8. When 18 is added to the number, the digits are reversed. Find the number? pls explanation is important
Scientific publishing aptitude interview question
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(165)2-(164)2=
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A boy asks the relation of two people walking along the street. One of them says that the lady walking with him is the daughter of his mother's only son. What is the relation between the two people?
If from a book of 100 pages, some pages were torn off, and the sum of remaining pages comes out to be 4949. How many minimum number of pages were torn off?
There are 1997 doors in a auditorium and as many as people as the no of doors open enter the auditorium .A door was closed and as many as people as no of doors open leave the auditorium . the process was repeated till the no of doors is equal to1.find the total no of peoples enter the auditorium?
I had Rs.100 and I play. If I win I will have Rs110 and if I lose I will have Rs. 90. at the end I have 2 wins and 2 lose. How much do I have?
How many four digit numbers divisible by four can be formed using 1, 2, 3, 4; repetitions are not allowed!
If INDIA = JOEJB then BSNZ =?