Some workers are painting a hall with length, breadth and height of 40 m, 20 m and 8 m respectively. If they can paint 10 m^{2} area from one liters of paint, find the amount of paint required to paint the walls and ceiling of hall.

It takes machine M, x hours to manufacture a deck of cards that machine N can manufacture in y hours. If machine M operates alone for z hours and is then joined by machine N until 100 decks are finished, for how long will the two machines operate simultaneously?

The graph below shows the average daily circulation (in thousands) of two newspapers (A and B) for ten years. Find the combined average daily circulation of two newspapers in the year when combined average daily circulation was minumum.

Merle picks a three digit number and subtract it from the same number after reversing order of its digits. If this difference is divided by 99, find the remainder.

A.

2

B.

1

C.

0

D.

Can not be determined without knowing exact number

A shopkeeper mixes two variants of wheats in ratio 3:2. The first variety costs 30 per kg, while other costs 40 per kg. If the mixed wheat is sold at price of 40.8 per kg. Find the profit/loss incurred by shopkeeper.

Two coins are tossed simultaneously ^@ 400 ^@ times and it is found that two heads appeared ^@ 200 ^@ times, one head appeared ^@ 120 ^@ times and no heads appeared ^@ 80 ^@ times.
If two coins are tossed at random, what is the probability of getting ^@ 0 \text { heads } ^@?

In a basketball game, Idrissa made 10 baskets. Each basket was worth either 2 or 3 points. How many different numbers could represent the total points that Idrissa could have made?