For the following questions answer them individually
If @ means +, # means — , $ means x and * means ÷, then what is the value of 16 @ 4 $ 5 # 72 * 8 =
4 years ago, the ratio of Vikah's to Rahul's age was 3: 5. After 6 years, this ratio would become 4: 5. Find present age of Rahul.
If in a certain code language, PROMOTION is written as 365458957, how will the word MONITOR be written in that code language?
If `+' means `multiplication', '— ' means `division', `$$\times$$' means `subtraction' and `$$\div$$' means 'addition', then 9 + 8 $$\div$$ 8 — 4 $$\times$$9 is
Who was the American astronaut who returned to Earth after spending 340 days in International Space Station?
