Question

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Answer (Detailed Solution Below)

Option 2 : 225 / 225

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Detailed Solution

सही उत्तर 225 / 225 है।

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Question:

A scientist notes the meter readings 121, 144, 169, 196, … in that order. What is the next reading? / एक वैज्ञानिक मीटर की रीडिंग क्रमशः 121, 144, 169, 196, … नोट करता है। अगली रीडिंग क्या है?

1.
220 / 220
2.
225 / 225
3.
224 / 224
4.
230 / 230

Correct Answer: 225 / 225

These are consecutive squares: 11² = 121, 12² = 144, 13² = 169, 14² = 196, so the next is 15² = 225. / ये क्रमिक वर्ग हैं: 11² = 121, 12² = 144, 13² = 169, 14² = 196, अतः अगला 15² = 225 है।

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