Signed is in the past tense, therefore, earlier verbs should also be in the past tense.
Count means گننا
Discipline means: نظم و ضبط
Churlish means غیر مہذب
Uncivilized means غیر مہذب
"For" is the correct preposition when referring to a duration of time.
Let brother’s age = x, so Ali’s age = 2x.
2x - x = 15 → x = 15. Youngest brother is 15 years old.
TICKLISH means گدگدی
Stable means مستحکم
Gypsum reserves are situated at Mianwali, Dera Ghazi Khan, Kohat, Rohri, Quetta and Sibi.
Iron ore is used for the manufacturing of steel and iron.
Wreckage from the plane was scattered over a wide area.
PRISTINE means قدیم
Original means اصل
The sentence is in the past perfect conditional form, so the correct verb form is "helped".
"Had not helped me" means someone assisted in the past, preventing trouble.