allery6, 10 എന്നീ ത്രികോണ സംഖ്യകളുടെ ആകെത്തുക ഏത് വർഗ്ഗ സംഖ്യയാണ്?
A18
B16
C14
D20
Answer & Solution
Correct answer: B. 16
തുടർച്ചയായ രണ്ട് ത്രികോണ സംഖ്യകളുടെ ആകെത്തുക ഒരു വർഗ്ഗമാണ്, 6 + 10 = 16, അതായത് 4 വർഗ്ഗം.
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