One must make up the missed prayers, whether they were missed during the holy months or not. They should be made up as long as he is able to do so. There is no designated time for it. So, the make-up can be delayed, but it should not be considered as neglection of the orders of Almighty Allah.

You must make up for the prayers that you know you missed.

It is prohibited to delay the prayer after its designated time. However, if he did delay it then he must offer the prayer with the intention of being Qadha prayer.

It is obligatory on you to make up the prayers and fasts for the years that you missed after reaching the age of adulthood as defined by Islam. You should also pay the fidya for the delay in making up the missed fasts.

It is not mandatory to offer the qadha prayer first.

Yes, it is permissible to perform it at any time.

For a person who missed a full days' prayer, it is recommended to make them up in the order that they were missed. For a person who missed Maghrib and Isha prayers, or missed Dhuhr and Asr prayers, the first prayer must be made up first.

You should make up your fasting and your prayers that you have missed after you reached the age of adulthood, which is recognized by the completion of fifteen lunar years, the discharge of semen or the presence of hard hair on the face or in the pubic area, whichever happens first.

The said person should perform the obligatory prayers from now on. He does not need to hasten to make up the missed prayers, but it is not permissible to neglect such obligations. To make it easier to make up for the past prayers, he can offer – for instance – each obligatory prayer twice: one as his current obligation and one to make up for the past lapsed prayers. He should ensure that the prayers that remain are a part of his will so they can be offered on his behalf after his death. He cannot pay somebody to offer his prayers on his behalf, but his heirs can do so after his death.

Such an intention is not correct. However, one can offer the prayer with the intention of fulfilling one's obligation, so if he did not actually miss the prayer, he will gain the rewards of submission to Almighty Allah in removing any doubts about his obligation.

There is no such single prayer that removes the liability for all missed prayers. Therefore, every missed prayer needs to be made up as qadha individually.

Masturbation is a prohibited act and should be avoided with seeking forgiveness from the Almighty Allah and repenting to Him. The prayers that the person knows that he did after masturbating and before performing Ghusl should be repeated. It is not required to make up the fasts.

Based on an obligatory precaution, you should offer Maghrib prayer with the intention of fulfilling an actual obligation with uncertainty on whether it is being performed within its prescribed time or beyond it. After that, he should offer isha prayer twice, one shortened and one full.

One must make up the missed prayers. It is also obligatory to make up missed fasts. Making one of them up before the other is not obligatory.

If someone missed an obligatory prayer, he committed a sin and he should ask almighty Allah to forgive this sin. Hajj can be a means of obtaining such forgiveness, but he still needs to make up the missed prayers.

It is forbidden to fail to pray on time, even if you are travelling. You must try to perform the prayers by any possible means. But if you did not, then you will make them up later shortened, even if you are at home now.