Infosys Company Logical Reasoning Decision Making and Problem Solving

L:says all of my other 4 friends have money
M:says that P said that exact one has money
N:says that L said that precisely two have money
O:says that M said that 3 of others have money.
P:Land N said that they have money.
All are liers.
Who has money & who doesn't have?

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Infosys Other Question

Find out the sum of all the numbers up to four digit made by 1, 2, 3 and 4 (repetition are allowed)
E.g. 1+2+3+4+11+12+13+14+21+22+23+24+ …+4441+4442+4443+4444?
They gave me 2 paper Cutting of Tringale shapes and asked me 2 construct pyramid without folding