What is the probability that the sum of the digits of a 10-digit numberis divisible by 10?
none of these
Correct Answer : B
A number exceeds its four seventh by 18. What is the number
If m and n (n > 1) are whole numbers, such that mn = 121, the value of (m – 1)n + 1 is
Five sixth of a number is more than 30% of another number by 25. What is the ratio of the first number to the second number