Question
In how ways can the selection be made so that a
particular member is always excluded? There are 5 members in a delegation which is to be sent abroad. The total no. of members is 11.Solution
As 1 person is always excluded, members are to be chosen out of 10 persons. ∴ Reqd. no. of ways = 10C_5 = (10 × 9 × 8 × 7 × 6)/(5 × 4 × 3 × 2) = 252
In this question, two statements numbered I and II have been given. These statements may be independent causes or effects of independent causes or a com...
Deepika starts her evening walk facing north and walks for 2 km. Then, she takes a right turn and walks for another 2 km. Finally, she takes a left turn...
A, B, C, D, E, F, G and H are sitting around a square table not facing the centre. Some of them are sitting at the corners while some are sitting at the...
If 1st January 2017 was Sunday, then what day of the week was on 1st January 2016?
Select the correct water image of the given figure.
Select the option figure in which the given figure is embedded (rotation is NOT allowed).
Three of the following four letter-cluster-pairs are alike in a certain way and thus form a group. Select the pair that does NOT belong to that group. ...
20480, 10240, 5120, 2550, 1280
Vasant says, “I have as many sisters as brother”. Vaishali say, “Each of us sisters has only half as many sisters as brothers”. Assuming that Va...
In this question, there are two statements showing the relationship between the letters and the three conclusions related to them are i, ii and iii. Ass...
