The 5th term of an arithmetic progression is 18 and the 15th term is 48. find the first term.
ক) 4
খ) 6
গ) 14
ঘ) 16
Related Questions
ক) 30°
খ) 60°
গ) 45°
ঘ) 90°
ক) No change
খ) 4% decrease
গ) 4% increase
ঘ) 4.5% increase
ক) 4 : 3
খ) 5 : 4
গ) 6 : 5
ঘ) 7 : 6
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