The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is –
ক) 20
খ) 30
গ) 40
ঘ) Cannot be determined
Related Questions
ক) 40
খ) 100
গ) 200
ঘ) 72
ক) Tk. 30,000
খ) Tk. 50,000
গ) Tk. 60,000
ঘ) Tk. 90,000
ক) Tk. 500
খ) Tk. 1,000
গ) Tk. 1,500
ঘ) Tk. 2,000
ক) India
খ) Myanmar
গ) Sri Lanka
ঘ) Pakistan
জব সলুশন
