What is the average of all the multiples of ten from 10 to 190 inclusive? A. 90 B. 95 C. 100 D. 105 E. 110
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1
avg =(10+20+30+.....+190)/19
=10(1+2+3+......+19)/19
=10*19*20/19*2
=10*10
=100
=10(1+2+3+......+19)/19
=10*19*20/19*2
=10*10
=100
Answered by
0
Average Of All Multiples =
= (10+20+30+40+50+60+70+80+90+100+110+120+130+140+150+160+170+180+190) / 19.
On, Taking 10 as common.
= 10(1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19) / 19.
= 10 * 190/19
= 10 * 10
= 100.
Hence, C. 100 is the answer..............!!!
= (10+20+30+40+50+60+70+80+90+100+110+120+130+140+150+160+170+180+190) / 19.
On, Taking 10 as common.
= 10(1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19) / 19.
= 10 * 190/19
= 10 * 10
= 100.
Hence, C. 100 is the answer..............!!!
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