Argon is often used in incandescent light bulbs to extend the life of the tungsten filaments, as it prevents rapid deterioration from occurring.
A man spends 25% of his monthly salary on Rent and 32% on Groceries. He invest remaining monthly salary in the ratio of 11: 5 in Mutual Funds and Fixed ...
A and B together have total of Rs.4500 out of which they donated 20% to the orphanage school. The remaining amount is to be then redistributed between t...
There are 100 students in a particular class. 55% students play rugby, 30 % play basketball and 15% play both the games. What is the number of students ...
B invests 40% of his monthly salary on Travelling and 25% of remaining on Food. Again, he invested 20% of the remaining (after travelling and food expen...
A school's enrollment of students increased by 10% in 2015, another 20% in 2016, and then decreased by 30% in 2017. If the percentage of students receiv...
A bag contains 350 coins of 25p denomination and 700 coins of 50p denominations. If 16% of 25p coins and 32% of 50p coins are removed, the percentage of...
A gave 40% of amount to B. B gave 60% of amount received from A to C. If amount received by C from B is Rs.288, then find the amount received by B from A.
A’s income exceeds that of B’s by Rs.2,000 and B’s income is 40% less than that of C’s. If the total income of all of them put t...
Find the value of x if, 25% of 80 = 225 – x% of 440.
When the income of the man is increase by Rs. 9000 then tax rate reduces from 18% to 15%. While in both the situation 25% income is tax free. Find his i...
