Sachin is younger than Rahul by 4 yrs. If their ages are in the respective ratio of 7:9, how old is Sachin ? A. 16 years B. 18 years C. 14 years D. 15 years

WHAT ARE THE FORMULAS FOR FINDING THE INITAL SPEED

What is the formula of \[{x^2} + {y^2} + {z^2}?\

What is a dodging number?

What is the value of $ 5 $ million dollars in Indian rupees given that one dollar is equal to $ 75 $ Indian rupees.

How many perfect cubes can you find from 1 to 100? How many from -100 to 100?