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A = {3, 23, 43 ………… 603} and S is a subset of A. If the sum of no two elements of S is more than 606, then what can be the maximum possible number of elements in S?

ans..16.pls EXPLAIN

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ans..1/6(pls show detailed sol.)

correct...pls show detailed process.

10000! = (100!)^{K} — P, where P and K are integers. What can be the maximum value of K?

a)104

b)103

c)102

d)105

pls show detailed sol.

18^2000+12^2000-5^2000-1 is divisible by

a)323

b)221

c)299.

pls show detailed sol.

a)323

b)221

c)299.

pls show detailed sol.

Find the number of three-digit numbers that can be expressed as the sum of four consecutive,five consecutive and seven consecutive positive integers.

1)9 2)10 3)11 4)14 5)6

pls show detaied sol

pls show detailed sol.

a30

b60

c90

d120

pls show detailed sol.

1)Find the ratio of speeds of A and B in still water

a)6:1

b)7:1

c)8:1

d)5:1

2)On a particular day A and B start swimming towards each other simultaneosly from the points where they are stationed.When A was 'y'm away from the point P,B turns back and they meet at the point R.Find the value of y.

a)52m

b)56m

c)58m

d)60m

e)none of these

pls show detailed sol.

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