Question

The average temperature of Monday, Tuesday and
wednesday is 35° and that of Tuesday, Wednesday and
Thursday is 38°. If the temperature of Thursday is
40°. Find the temperature of Monday

OPTIONS

(1) 30° (2) 31° (3) 32° (4) 34°​

Answer 1

31 is the ans.

Refer attachment for details.

Answer 2

av. of three days tempr.=35℃

sum of 3 days temperature=3×35℃=105℃

av.of last three days=38℃

total temperature=38×3=118℃

temperature of Monday=40℃-(118℃-105℃)=40-13=27℃