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प्रश्न
Temperature of a place at 12:00 noon was +5°C. Temperature increased by 3°C in first hour and decreased by 1°C in the second hour. What was the temperature at 2:00 pm?
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उत्तर
Temperature at 12:00 noon = +5°C
It is given that temperature increased by 3°C in first hour.
So, temperature at 1:00 pm = 5°C + 3°C = 8°C
Also, temperature decreased by 1°C in second hour.
So, the temperature at 2:00 pm = 8°C – 1°C = 7°C
Hence, the temperature at 2:00 pm is 7°C.
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संबंधित प्रश्न
Fill in the blank:
Because 5 < 7, therefore -5_______-7.
Fill in the blank:
If 3 > -2, then 3 is on the _______ of -2.
Fill in the blank:
If -8 < -6, then -8 is on the _______ of-6.
Fill in the blank:
Negative of -20 is_________
When a negative integer is subtracted from another negative integer, the sign of the result ______.
Fill in the blank using <, = or > :
(–11) + (–15) ______ 11 + 15
Write the opposite of the following:
Profit of Rs.10
Write the opposite of the following:
10 m above the danger mark of river Ganga
Write the opposite of the following:
20 m below the danger mark of the river Brahmaputra
Observe the following:
1 + 2 – 3 + 4 + 5 – 6 – 7 + 8 – 9 = –5
Change one ‘–’ sign as ‘+’ sign to get the sum 9.
