In a survey in a ward of a municipality 30% like to listen radio and 90% like to watch T. V. out of total adult people and all
who like to listen radio like to watch T. V. too. If the number of
persons who don't like both of these is 240.
Ans: 1440
(i) उक्त तथ्याङ्कलाई भेनचित्रमा प्रस्तुत गर्नुहोस् ।
Represent the above data in a Venn-diagram.
(ii) टेलिभिजन मात्र हेर्न मन पराउनेको सङ्ख्या पत्ता लगाउनुहोस् ।
Find the number of persons who like only to watch TV.

answer:

total cost for tiles and paints is $924.  

step-by-step explanation:

we have been given that a community hall is in the shape of a cuboid. the hall is 40m long 15m high and 3m wide.

the paint will be required for 4 walls and ceiling.

let us find area of walls and ceiling.

therefore, the area of walls and ceiling is 1410 square meters.

given: cost for 10 litre of paint is $10 and 10 litre paint covers 25 square meter. therefore,

therefore, the total painting cost is $564.

tiles will be required for floor. let us find the area of floor.

given: 1m squared floor tiles costs $3. so,

therefore, the total tiles cost is $360.

now let us find combined total cost of tiles and paint.

therefore, the combined total cost of tiles and paint is $924.

step-by-step explanation:

whaere is the picture

step-by-step explanation: