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Kuttanad in Kerala is farmland lying about 2 metres below sea level, while Ooty in the Nilgiris stands about 2240 metres above sea level. Taking sea level as 0, which pair of integers records the two places correctly?

Class 6IntegersIntegers
  • AKuttanad −2, Ooty +2240
  • BKuttanad +2, Ooty −2240
  • CKuttanad −2, Ooty −2240
  • DKuttanad +2, Ooty +2240

Step-by-Step Solution

Sea level is the zero mark. Below sea level lies to the left of zero, so Kuttanad is −2; above sea level lies to the right, so Ooty is +2240. The trap is giving both places the same sign because both are just heights — it is the direction from zero that decides the sign.
Answer: A) Kuttanad −2, Ooty +2240

Key idea: Adding integers — same sign

When two integers have the **same sign**, add their absolute values and keep the sign. So 4 + 3 = 7 (both positive → result positive), and (−4) + (−3) = −7 (both negative → result negative). On the number line: same sign means you keep moving in the same direction.

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