Question

If a biathlon has two events, a triathlon has three events, and a
decathlon has 10 events, what will be the sum total of events in case
of six biathlons, four triathlons, and nine decathlons?

Answer 1

6*2+4*3+9*10=12+12+90

=24+90

=114

Answer 2

bi=2

6 bi = 6×2

=12

Tri=3

4 Tri=4×3

=12

deca=10

9 deca=9×10

=10

Total=

12+12+90

=114