Question

    Below given is a wrong number series & 'p' is the

    replacement of the wrong term. 1360, 1362, 1367, 1380, 1400 I. ‘p’ is a prime number. II. 40% of p is 551.2. III. If 10 is added to the value of 'p,' the result will form a perfect square. Which of the following statements is incorrect?
    A Only II and III Correct Answer Incorrect Answer
    B Only III Correct Answer Incorrect Answer
    C Only I Correct Answer Incorrect Answer
    D Only II Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, 1360 + 1 × 2 = 1362 1362 + 2 × 3 = 1368 1368 + 3 × 4 = 1380 1380 + 4 × 5 = 1400 p = 1368 I.1368 = 2×2×2×3×3×19 (False) II.1368 × 0.4 = 547.6 (True) III.1368 + 10 = 1378 (False) Hence, Only II 

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