Amitabh's average expenditure for January to June is Rs., 4200 and he spends Rs., 1200 in Januar

English

Gujarati

Hindi

4.Average

easy

Amitabh's average expenditure for the $January$ to $June$ is $Rs.\, 4200$ and he spends $Rs.\, 1200$ in $January$ and $Rs. \,1500$ in $July.$ The average expenditure for the month of $February$ to $July$ is (in $Rs.$)

A

$4250$

B

$4520$

C

$4060$

D

$4200$

Solution

Total expenditure of Jan to June $=4200 \times 6$ $=$ Rs. 25200

Total expenditure from Feb to July

$=25200-1200+1500=$ $Rs. \,25500$

Average $=\frac{25500}{6}=$ $Rs. \,4250$

Standard 13

Quantitative Aptitude

Share

Similar Questions

Out of nine persons$, 8$ persons spent $Rs.\, 30$ each for their meals. The ninth one spent $Rs.\, 20$ more than the average expenditure of all the nine. The total money spent by all of them was (in $Rs.\,$)

hard

A cricketer, whose bowing average was $12.4$ runs/wicket takes $5$ wickets for $22$ runs in a match, thereby decreases his average by $0.4$ The number of wickets, taken by him before this match was

medium

The average contribution of $5$ men to a fund is $Rs.\,35.$ A sixth man joins and pays $Rs.\,35$ more than the resultant average of $6$ men. The total contribution of all the six men is (in $Rs.$)

medium

The average temperature from Monday to Thursday is $48^{\circ} C$ and from Tuesday to Friday is $52^{\circ} C$. If the temperature on Monday is $42^{\circ} C$, what was it on Friday? (in $^{\circ} C$)

medium

An aeroplane flies along the four sides of a square field at speeds of $200,400,600$ and $800\, km / hr$. The average speed of the plane in the flight around the field in $km / hr$ is:

medium