At the time of marriage, a man was 5 years elder to his wife. 16 years after their marriage, his age is 8/7 times the age of his wife. What was wife's age at the time of marriage ?
A person spends 20% of his salary on food, 35% on house rent, 20% on conveyance and 10% of the remaining on entertainment. If his savings at the end of the month is Rs. 23700, then his salary per month in rupees is:
Pappu ranked twenty-fifth from the top and nineth from the bottom among the students who passed the annual examination in a class. If the number of students who failed in the examination was 13 . How many students appeared for the examination?
There are 31 students in a class, number of girls is one more than number of guys. we need to form a team of four students. all four in the team cannot be from same gender and number of girls and guys in the team should NOT be equal. How many ways can such a team be made?
Language is remarkable, except under the extreme constraints of mathematics and logic, it never can talk only about what it's supposed to talk about but is always spreading around.
Raju Sharma
MATHEMATICS is a great motivator for all humans.. Because its career starts with "ZERO" but it never end(INFINITY)..