The sum of the digits of a two digit number is 10. If the places of the digits are exchanged, the new number is greater thanthe original number by 18, what is the original number?
A started from a point and went 4 kms north and turned left and moved 2 kms. west. Then he turned left and moved 4 kms.How far is he away from his starting point?
Which of the following is a rational one?
The number of primes between 59 and 101 is –––.
Three numbers are in the ratio 4 : 5 : 6 and the average is 25. The largest number is
When a number is divided by 8 the remainder is 6 and when the same number is divided by 7 the remainder is 5. What is the number ?