compound interest

The difference between compound interest and simple interest on an amount of Rs. 15,000 for 2 years is Rs. 96. What is the rate of interest per annum?

mixture

In what ratio must water be mixed with milk to gain 16% on selling the mixture at cost price?

data interpretetion

Data interpretation

Data Interpretation

HCF and LCM

the traffic lights at 3 different road crossings change after 48 sec, 72 sec and 108 sec . If they change simultaneously at 7 a.m after what time will they change again simultaneously ?

geometry

HCF and LCM

The HCF of two numbers is 23, and two of the factors of LCM are 13 and 14. Find the greater of the two numbers.

trignometry

Trigonometry

Trignometry

Find the value of 4 cos 20^o - √3cot 20^o

line of symmetry

   

disguised quadratics

   

disguised quadratics

Solve for x: 4^x + 6^x = 9^x

profit and loss

     I purchase some eggs for $100. 20% of the eggs break in transit, out of the remaining 25%was rotten. What profit percentage should I make on the remaining to get an overall 20% profit?

profit and loss

        A man finds that it costs $ (300+4N) per day to make N articles. If the selling price of each article is $7, what are the minimum articles to be produced per day if he has to make a profit?

percentage

       A person split his property amongst his three sons. The youngest one got 50% of the entire property, the second got $10,000. The eldest got 20% less than the youngest. How much did the eldest son get?

profit and loss

        I bought some oranges at the rate of 5 for a $. I sold all of them to you at the rate of 4 for a $, bought all of them again from you at the rate of 3 for a $ and sold them all to you in the end at the rate of 2 for a $. What is my percentage profit in this whole transaction?

profit and loss

The cost price of an item increases by 10% first, then by 10% next and by 10% yet again finally. If the last10% increase is equivalent to an increase of $ 121, what was the first 10% equivalent to?

Arithmetic Progression

1.        Find the average of all 5 digit numbers that leave a remainder of 2 when divided by 7.