Numerical Abili...

A cube of side 5 cm is cut into smaller cubes of side 1 cm. What is the ratio of the total surface area of the larger cube and the sum of the total surfaces of all the smaller cubes?

Manav's average earning per month in the first three months of a year was ₹24328. In April, his earning was 50% more than the average earning in the first three months. If his average earning per month for the whole year is ₹76867, then what will be Manav's average earning (in ₹) per month from May to December?

In an election between two candidates, 80% of the voters cast their vote out of which 53 votes were declared invalid. The winner got 48% of all the voters in the list and he won by 1013 votes.The number of voters on the list was :-

A shopkeeper sells an item for ₹855.4 after giving two successive discounts of 90% and 75% on its marked price. Had he not given any discount, he would have earned a profit of 40%. What is the cost price (in ₹) of the item?

Suman invested a sum of ₹8000 at 5% per annum compound interest, componded annually. If she received an amount of ₹9261 after n years, the value of n is:

A can is completely filled with milk. 6 litre of milk is taken out of the can and is filled with water. This operation is performed four more times. Now, the ratio of milk and water in the can is 32 : 211. What is the volume of the can?

The average weight of X, Y and Z is 50 kg. The average weight of X and Y is 44.5 kg and the average weight of Y and Z is 53.5 kg. If the weights of X, Y and Z are p, q and r, respectively, then the value of  correct to two decimal places, is ______.

How many words can be made from the word IMPORTANT in which both T do not come together?

Amar, Akram and Vaibhav together can complete a work in 20 days. If Amar can work thrice as faster than Akram and Akram can work twice as faster than Vaibhav, then in how many days Vaibhav alone can complete the same work?

The annual production in cement industry is subject to business cycles. The production increases for two consecutive years consistently by 18% and decreases by 12% in the third year. Again in the next two years, it increase by 18% each year and decreases by 12% in the third year. Taking 2008 as the base year, what will be the approximate effect on cement production in 2012?