√(188 + √(51 + √169)) = ?

Below given is the table showing age-wise ownership of mobiles: Brand | Up to 1 year old | 1-2 years old | 2-3 years old | More than 3 years old LG | 15% | 45% | 40% | - SAMSUNG | 5% | 15% | 25% | 55% NOKIA | 10% | 10% | 10% | 70% SONY | 25% | 55% | 20% | - MICROMAX | 15% | 50% |…

In what time will Rs. 6,250 amount to Rs. 6,632.55 at 4% compound interest payable half-yearly?

An electric appliance is priced at Rs. 600 initially. Because of market recession, price was successively reduced three times, each time by 10% of the price after the earlier reduction. What is the current price?

Expenditures of a company (in Lakh Rupees) per annum over the given years was as under. Year | Salary | Fuel and Transport | Bonus | Interest on loans | Taxes 2008 | 576 | 196 | 6 | 25.4 | 85 2009 | 682 | 224 | 5 | 32 | 112 2011 | 648 | 202 | 7.5 | 44.6 | 78 2012 | 672 | 266 | 7.…

If the height of a right circular cone is increased by 200% and the radius of the base is reduced by 50%, then the volume of the cone:

Number of different categories of goods sold in the city over the years (in thousands) is as given under: Year | TV | Refrigerator | Microwave | Laptops | Cell phones 2010 | 26 | 64 | 232 | 153 | 340 2011 | 45 | 60 | 242 | 172 | 336 2012 | 72 | 79 | 248 | 210 | 404 2013 | 81 | 93…

A certain amount of money invested at 10% per annum compound interest for two years became Rs. 2000. What is the initial investment?

In the figure, PQ is a diameter of the circle. Angle PQS = 35°. Find angle QRS. (R and S are points on the circle on opposite sides of PQ; chords RQ, RS and SQ are drawn.) [Figure: see page 6 of source PDF]