CAT Exam

What is the next number of the following sequence
1,5,5,3,10,10,5,6,......

Read Solution (Total 2)

1+4=5
1+4+9=14=5
1+4+9+16=30=3
1+4+9+16+25=55=10
1+4+9+16+25+36=91=10
1+4+9+16+25+36+49=140=5
1+4+9+16+25+36+49+64=204=6
1+4+9+16+25+36+49+64+81=285=15
11 years agoHelpfull: Yes(8) No(1)

It's combined serie first is 1, 5, 10, 5, 1, 5, 10, 5, ... and so on. Second is 5, 3, 10, 6, 20, 12, 40, 24, ... and so on, so the first pattern is repeated 1, 5, 10, 5. Second pattern is duplicate.. So the series became 1, 5, 5, 3, 10, 10, 5, 6, 1, 20, 5, 12, 10, 40, 5, 24, 1, ....
11 years agoHelpfull: Yes(0) No(1)

CAT Other Question

a dishonest dealer markup the price of his goods by 20% and gives a discount of 10% to the customer .besides he also cheats both his supplier and his buyer bu 100 grams while buying or selling 1 kilogram .find the percentage profit earned by the shopkeeper? The number of positive integer form 1 to 10^6(both inclusive )which are neither perfect squares ,nor cubes,nor perfect fourth powers is: