If 24 is of of a number, then what will be of that number?
Let the number be x. So,
If part of 60% of a number is 36, then that number is
Let the number be x.
A teacher wrote on the blackboard :
Find A student copied it on her notebook as and solved it as follows : The teacher should
The required natural smallest number which is divisible by both 3 and 4 is 444.
of a pole is in the mud. When of it is pulled out, on 8 metres long piece of the pole still remains in the mud. What is the total length of the pole?
Let the total length of the pole be x. Given, the total length of pole which is still in the mud = 8 m. If of it is pulled out, then remaining portion=1- = This 8 m is actually of the of the pole. so,
(A+B)’s one day work = (B+C)’s one day work = (C+A)’s one day work = (A+B+C)’s one day work = If A do work alone, then, A’s one day work = (A+B+C)’s one day work – (B+C)’s one day work 1/10 - 1/15 =(3-2)/30 =1/30 Thus, A can complete the work in = 30 days.
Let ones digit be x, then tens digit = Two-digit number = If 9 is added to the number, the digits are reversed. Therefore,