Mix Test - 6...

Mr. Murthy invested Rs. \(16000\) in a scheme. How much will he get on maturity, if he invested it at \(20 \%\) per annum compound interest for \(9\) months, compounded quarterly?

One of the factor of \(\left(8^{2 k}+5^{2 k}\right),\) where \(k\) is an odd number, is:

What is the maximum number of spherical balls of radius 8 cm that can be packed in a box of size 80 cm × 48 cm × 16 cm?

A box contains 280 coins of one rupee, 50 paise, and 25 paise. The values of the three kinds of coins are in the ratio of \(8: 4 : 3\). The number of 50 paisa coins is:

The internal base of a rectangular box is \(15 \mathrm{~cm}\) long and \(12 \frac{1}{2} \mathrm{~cm}\) wide and its height is \(7 \frac{1}{2} \mathrm{~cm}\). The box is filled with cubes each of side \(2 \frac{1}{2} \mathrm{~cm}\). The number of cubes will be:

\(40 \%\) of a number is added to \(60\) is equal to the \(50 \%\) of that number. The number is:

An article is sold for Rs. 864 at a loss of 28 percent. If it is sold at 20 percent profit, then what will be the selling price?

If the cost price of a pen is 80% of the selling price, then what is profit %?

A box contains 3 black balls, 6 red balls, 5 orange balls. A ball is taken out from the box and thrown. Then again, a ball is taken from the box. Find the probability that both the ball is of red colour.

Using commutativity and associativity of addition of rational numbers, express the following as a rational number:

\(\frac{4}{7}+0+\left(-\frac{8}{9}\right)+\left(-\frac{13}{7}\right)+\frac{17}{21}\)

What is the perimeter of semicircle. if area of circle is 154 cm² and diameter of circle and semicircle is same?.

What is the unit digit of the sum of first 222 whole numbers?

What is the volume of the largest sphere which can be cut from a cube having edges of 3 cm length?

Mohan is father of 3 children with atleast one boy. The probability that he has 2 boys and 1 girl is:

The value of \(\sqrt[3]{\frac{0.2 \times 0.2 \times 0.2+0.04 \times 0.04 \times 0.04}{0.4 \times 0.4 \times 0.4+0.08 \times 0.08 \times 0.08}}\) is: