Question

Q5. If 0 is to be replaced by 1, 1 is replaced by 2, 2 is replaced by 3, 3 is replaced by 4, 4 is replaced by 5, 5 is replaced by 6, 6 is replaced by 7, 7 is replaced by 8, 8 is replaced by 9 and 9 is replaced by 0. Then find the value of (78 - 12 - 13 - 14). ਜੇਕਰ 0 ਨੂੰ 1 ਨਾਲ ਬਦਲ ਦਿੱਤਾ ਜਾਵੇ, ਇਸੇ ਤਰ੍ਹਾਂ 1 ਨੂੰ 2 ਨਾਲ, 2 ਨੂੰ 3 ਨਾਲ, 3 ਨੂੰ 4 ਨਾਲ, 4 ਨੂੰ 5 ਨਾਲ, 5 ਨੂੰ 6 ਨਾਲ, 6 ਨੂੰ 7 ਨਾਲ, 7 ਨੂੰ 8 ਨਾਲ, 8 ਨੂੰ 9 ਨਾਲ ਅਤੇ 9 ਨੂੰ 0 ਨਾਲ ਬਦਲ ਦਿੱਤਾ ਜਾਵੇ ਤਾਂ (78 - 12 - 13 - 14) ਦਾ ਮੁੱਲ ਪਤਾ ਕਰੋ। *
14
31
17
161​

Answer 1

Answer:

its easy

Step-by-step explanation:

"14"

Answer 2

Given :- If O is to be replaced by 1, 1 is replaced by 2, 2 is replaced by 3, 3 is replaced by 4, 4 is replaced by 5, 5 is replaced by 6, 6 is replaced by 7, 7 is replaced by 8, 8 is replaced by 9 and 9 is replaced by O. Then find the value of (78 - 12 - 13 - 14).

options :-

(a) 14

(b) 31

(c) 17

(d) 161

Solution :-

given that,

• 0 is replaced by 1 .
• 1 is replaced by 2 .
• 2 is replaced by 3 .
• 3 is replaced by 4 .
• 4 is replaced by 5 .
• 5 is replaced by 6 .
• 6 is replaced by 7 .
• 7 is replaced by 8 .
• 8 is replaced by 9 .
• 9 is replaced by 0 .
• Each number is increasing by 1 except 9 .

so, in (78 - 12 - 13 - 14) we get,

• 78 becomes = (7 + 1)(8 + 1) = 89
• 12 becomes = (1 + 1)(2 + 1) = 23
• 13 becomes = (1 + 1)(3 + 1) = 24
• 14 becomes = (1 + 1)(4 + 1) = 25
• or, we can say that, we have to add 11 in a two digit number .

then,

→ (78 - 12 - 13 - 14)

→ (89 - 23 - 24 - 25)

→ 89 + (-23 - 24 - 25)

taking (-1) common from bracket,

→ 89 + (-1)(23 + 24 + 25)

→ 89 + (-1) * 72

→ 89 - 72

→ 17 (c) (Ans.)

Hence, the required value will be option (c) 17.

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