Others Maths Puzzle

N=10!+11!+12!...........1000! Find no. Of 2's.

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Others Other Question

A man invests a principal in a simple interest based scheme, such that the rate of interest increases in a geometric progression every year with the common ratio 2. If the amount becomes four times in 4 years, then in how many years will it become 52 times?

(a) 5 years
(b) 8 years
(c) 13 years
(d) None of these A society of 380 people organized a tournament comprising three different games. The number of
people who participated in at least two games was 42% more than those who participated in exactly
one game. At least one person participated in exactly n games, where n = 1, 2, 3. If the number of
people who did not participate in any of the three games was minimum possible, then what was the
maximum possible number of people who participated in exactly two games?
(a) 149 (b) 150 (c) 212 (d) 213