Syntel Company Numerical Ability Age Problem

Five years ago the average age of a family of five members was 22 years. A baby is born and now the average age is 23 years. How old is the baby at present ?
A. 3 years B. 5 years C. 2 years D. 4 years

Read Solution (Total 4)

22*5+25=135
23*6=138
138-135=3
6 years agoHelpfull: Yes(9) No(2)

22*5=110
23*6=138
138-110=28
28-23=5
6 years agoHelpfull: Yes(1) No(2)
22×5=110
23×6=138 after 5 yrs with 1 new member
So befor 5 yrs 138-(5×5)=113
113-110=3
So baby is 3 yrs
5 years agoHelpfull: Yes(1) No(0)
4y Because 5 y ago 22 at 23 baby born means before 4 years so,4y
6 years agoHelpfull: Yes(0) No(2)

Syntel Other Question

Two same glasses are respectively 1/3rd 2/5th full of milk. They are then filled with water and the contents mixed in a tumbler. The ratio of milk and water in the tumbler is? A) 9/14 B) 3/8 C) 4/7 D) 11/19 As per scheme a car loan of Rs. 4 lakh at 12.5% rate of simple interest can be borrowed on a repayment term of lump sum amount at the end of 3 years. As per scheme (b), the amount can be repaid at the end of 2 years, but compound interest (compounded annually) would be charged at the same rate. What would be the difference in amount of interest between the two schemes? A) Rs. 42,675 B) Rs. 43,750 C) Rs. 41,025 D) 43,125