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प्रश्न
A car travelled 60 km to the north of Patna and then 90 km to the south from there. How far from Patna was the car finally?
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उत्तर
Let the distance covered in the direction of north be positive and that in the direction of south be negative.
Distance travelled to the north of Patna = 60 km
Distance travelled to the south of Patna = -90 km
Total distance travelled by the car = 60 + (-90)
= -30 km
The car was 30 km south of Patna.
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संबंधित प्रश्न
Use the sign of >, < or = in the box to make the statements true.
– 231 + 79 + 51 
–399 + 159 + 81
Classify the following numbers as positive numbers and negative numbers.
–5, +4, –2, 7, +26, –49, –37, 19, –25, +8, 5, –4, –12, 27
Add: -3596 and -1089
Simplify:
1056 + (−798) + (−38) + 44 + (−1)
A man bought some pencils for Rs 30 and some pens for Rs 90. The next day, he again bought some pencils for Rs 25. Then, he sold all the pencils for Rs 20 and the pens for Rs 70. What was his net gain or loss?
For the following statement write (T) for true and (F) for false:
The sum of two negative integers is always a negative integer.
Find the product: (−2) × 3 × (−4)
Find the product: (−3) × (−7) × (−6)
? + (−8) = 12
Since 5 > 3, therefore –5 > –3
