exam
Maths Puzzle
How many number of times will the digit ‘7' be written when listing the integers from 1 to 1000?
A.
271
B.
300
C.
252
D.
304
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exam Other Question
What is the total number of ways in which Dishu can distribute 9 distinct gifts among his 8 distinct girlfriends such that each of them gets at least one gift?
A.
72 × 8!
B.
144 × 8!
C.
36 × 8!
D.
9!
In how many ways can 15 people be seated around two round tables with seating capacities of 7 and 8 people?
A.
15!
8!
B.
7!×8!
C.
15C8×6!×7!
D.
2×15C7×6!×7!
E.
15C8×8!