MEDIUM
Civil Services Preliminary Examination Paper 2
IMPORTANT
Earn 100

In how many ways can the letters of the word 'EQUATION' be arranged so that all the vowels come together?
(a)
(b)
(c)
(d)

50% studentsanswered this correctly

Important Questions on Permutations and Combinations
EASY
Civil Services Preliminary Examination Paper 2
IMPORTANT
A man has shirts, trousers and ties. What are the number of ways in which he can dress himself with a combination of all the three?

MEDIUM
Civil Services Preliminary Examination Paper 2
IMPORTANT
How many motor vehicle registration number plates can be formed with the digits (No digits being repeated if it given that registration number can have digits?

EASY
Civil Services Preliminary Examination Paper 2
IMPORTANT
There are ten subjects in the school day at St. Vincent's High School, but the sixth standard students have only periods in a day. In how many ways can we form a timetable for the day for the sixth standard students if no subject is repeated?

EASY
Civil Services Preliminary Examination Paper 2
IMPORTANT
There are Consonants and Vowels in a word jumble. In how many ways can we form -letter words having Consonants and Vowels?

MEDIUM
Civil Services Preliminary Examination Paper 2
IMPORTANT
How many batting orders are possible for the Indian cricket team if there is a squad of to choose from such that Sachin Tendulkar is always chosen?

EASY
Civil Services Preliminary Examination Paper 2
IMPORTANT
There are blue socks, red socks and green socks, all different in Debu's wardrobe. He has to select socks from this set. In how many ways can he do so?

EASY
Civil Services Preliminary Examination Paper 2
IMPORTANT
A class prefect goes to meet the principal every week. His class has people apart from him. If he has to take groups of three every time he goes to the principal, in how many weeks will he be able to go to the principal without repeating the group of same three which accompanies him?

MEDIUM
Civil Services Preliminary Examination Paper 2
IMPORTANT
A class prefect goes to meet the principal every week. His class has people apart from him. if on the very first visit the principal appoints one of the boys accompanying him as the head boy of the school and lays down the condition that the class prefect has to be accompanied by the head boy every time he comes then for a maximum of how many weeks (including the first week) can the class prefect ensure that the principal sees a fresh group of three accompanying him?
