TCS Company HR Interview Interview

Dinalal divides his property among his four sons after donating RS.20,000 and 10% of his remaining property. The amounts received by the last three sons are in arithmetic progression and the amount received by the fourth son is equal to the total amount donated. The first son receives as his share RS.20,000 more than the share of the second son. The last son received RS.1 lakh less than the eldest son.
10. Find the share of the third son.
option
a) RS.80,000
b) RS.1,00,000
c) RS.1,20,000
d) RS.1,50,000

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TCS Other Question

In a quadratic equation, (whose coefficients are not necessarily real) the constant term is not 0. The cube of the sum of the squares of its roots is equal to the square of the sum of the cubes of its roots. Which of the following is true?
option
a) Both roots are real
b) Neither of the roots is real
c) At least one root is non-real
d) At least one root is real

What is the remainder when 50! is divided by 16 ^ 15..expain method also