If A:B = 2:5, then (10A + 3B) : (5A + 2B) = ?

 $If\ \log_2X\ +\ \log_4X\ =\ 6,\ then\ the\ value\ of\ X\ is:$  

The value of  $\left(3^{n+1\ }+\ 3^n\right)\ \div\ \left(3^{n+3\ }-\ 3^{n+1\ }\right)\$  is ?

If   $\log_xy\ =\ 100\ \&\ \log_2X\ =\ 10,\$  then the value of Y is:

Which of the numbers are not in praportion ?

 $\ Value\ of\ \frac{1}{\log_360}\ +\ \frac{1}{\log_460}\ +\ \frac{1}{\log_560}$  is?

The ratio of the no. of Rs.5 coins and Rs.10 coins is 8:15. If the value of Rs.5 coins is Rs.360, then the no. of Rs.10 coins will be:

If 1/2, 1/3, 1/5 & 1/X are in praportion, then the value of "X" will be:

 $\frac{3X\ -\ 2}{5X\ +\ 6}$  is the duplicate ratio of  $\frac{2}{3}$  then find the value of X:

If the ratio of two numbers is 7:11. If 7 is added to each number then the new ratio will be 2:3 then the numbers are:

 $Find\ the\ possitive\ value\ ofK\ for\ which\ the\ equations\ X^2\ +\ kX\ +\ 64\ =\ 0$ and  $X^{2\ }-\ 8X\ +\ k\ =\ 0\ will\ have\ real\ roots$   

A man sells 6 radios and 4 televisions for Rs.18,480. If 14 radios and 2 televisions are sold for the same amount, what is the price of the television?

 $Ifone\ root\ ofthe\ equation\ is\ 2+\ \sqrt{5\ },\ then\ the\ quadratic\ equation\ is?$  

 $The\ value\ of\ \sqrt{6+\sqrt{6+\sqrt{6+.........}}}$  is ?

If the ratio of (5x-3y) and (5y-3x) is 3:4, then the value of x:y is

If roots of the equation

Roots of the equation 2X2 + 3X + 7 = 0 are   $\alpha\ \&\ \beta$ . The value of  $\alpha\beta^{-1}\ +\ \beta\alpha^{-1}$  

If b² - 4ac is a perfect square but not equal to zero then the roots are

A person on a tour has Rs.9600 for his expenses. If his tour is extended by 16 days he has to cut down his daily expenses by Rs.20, his original duration of the tour had been

Rs.8000 becomes RS.10,000 in two years at simple interest. the amount that will become Rs.6875 in 3 years at the same rate of interest is?

The difference between the simple interest and compound interest on a certain sum for 3 years at 5% p.a. is Rs.228.75. the compound interest on the sum for 2 years at 5% p.a. is?

X invest Rs.10,000 every year starting from today for next 10 years. Suppose interest rate is 8% p.a. compounded anually. calculate future value of annuity?

The present value of an annuity of Rs.3000 for 15 years at 4.5% p.a. C.I. is:

The rate of simple interest on a sum of money is 6% p.a. for first 3 years, 8% p.a. for the next five years and 10% p.a. for the period beyond 8 years. if the simple interest accrued by the sum for the period of 10 years is Rs.1560. The sum is :

A sum of money doubles itself in 10 years. The no. of years it would trebles itself is:

In what time will Rs.3,90,625 amounts to Rs.4,56,976 at 8% p.a. when the interest is compounded semi-annually.

A machine can be purchased for Rs.50,000. Machine will contribute Rs.12,000 per years for the next 5 years. assume borrowing cost is 10% p.a. Determine weather machine should purchased or not.

How much amount is required to be invested every year so as to accumulate Rs.3,00,000 at the end of 10 years, if investment is made at 10% p.a. compounded annually.

A certain sum of money amounts to Rs.6300 in two years and Rs.7875 in 3 years and nine months at simple interest. Find the rate of interest per annum.

How long will Rs.12,000 take to amount to Rs.14,000 at 5% p.a. converted quarterly?

In how many ways 5 children can be seated in a row

How many words can be formed with the letters MONDAY

7 books are to be arranged in such a way so that two particular books are always at first and last place. Find the no. of arrangements.

In how many ways a letter "SHRIKANT" can be arranged so that it will start with "S" only and ends with "T" only.