self Maths Puzzle

If
41 = 90
75 = 154
104 = 222
1253 = 2530
Then
14567 = ?

Read Solution (Total 1)

41=90 (i.e 4*2 +{1} =9 and 1-{1}=0)
75=154 (i.e 7*2+ {1}=15 and 5-{1}=4)
104=222 (i.e 10*2+ {2}=22 and 4-{2}=2)
s0, 14567= 29163(i.e 1456*2+{4}=2916 and 7-{4}=3)
10 years agoHelpfull: Yes(1) No(0)

self Other Question

The ratio between the three angles of a quadrilateral is 13 : 9 : 5 respectively. The value of the fourth angle of the quadrilateral is 36 degree. What is the difference between the largest and the second smallest angles of the quadrilateral?
option
(A) 104 degree
(B) 108 degree
(C) 72 degree
(D) 96 degree
(E) None of these From 4 gentlemen and 4 ladies a committee of 5 is to be formed. The committee consists of a President, a Vice-President and three Secetaries. what is the number of ways of selecting the committee with at least 3 women such that at least one women holds the post of either a president or a vice- president.