self Maths Puzzle

34:41::23:____
a.25
b.27
c.32
d.36

Read Solution (Total 4)

ans might be 27
since 41x23=34xa
thus a=27.7
12 years agoHelpfull: Yes(2) No(2)

ans may be 27,there diff between 41 and 34 is 7
and 41 is prime number and 23 is also prime number, there are 3 prime numbers between 23 and 41 so 23+7-3=27
12 years agoHelpfull: Yes(2) No(2)
(3+1)^2+(4+1)^2=41
(2+1)^2+(3+1)^2=25
so answer is 25
12 years agoHelpfull: Yes(0) No(0)
ans:31
34:41=last no 4 and 4-3=1 so ans is 41
23:31=last no 3 and 3-2=1 so ans is 31
12 years agoHelpfull: Yes(0) No(0)

self Other Question

There are 20 balls which are red,blue or green.if 7 balls are green and the sum of red and green balls is less than 13,at most how many red balls are there?
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7 A & B can do work in 12 days while B & C do it in 6 days. after A had worked on it for 3 days & B for 4 days.C finished the work in 7 days. in how munch days could each do th work separately?