Calculate the Simple Interest on Rs. 5,000 at an annual interest rate of 8% over 3 years:
SI = (P * R * T) / 100 = (5000 * 8 * 3) / 100 = Rs. 1,200.
If 12 men can complete a construction project in 20 days, how many days will 15 men take to complete the same work?
M1 * D1 = M2 * D2 => 12 * 20 = 15 * D2 => 240 = 15 * D2 => D2 = 16 days.
In a certain code language, 'TEACHER' is coded as 'VGCEJFT'. How is 'STUDENT' coded in that same language?
Each letter is shifted forward by +2 positions in the alphabet: S+2=U, T+2=W, U+2=W, D+2=F, E+2=G, N+2=P, T+2=V.
Complete the number series: 4, 9, 16, 25, 36, ?
The series consists of consecutive perfect squares: $2^2$=4, $3^2$=9, $4^2$=16, $5^2$=25, $6^2$=36, $7^2$=49.
Pointing to a photograph, a man said, 'She is the daughter of my grandfather's only son.' How is the woman in the photograph related to the man?
My grandfather's only son is my father. The daughter of my father is my sister.