Question
A person walks 20 km South. Then he turns East and
walks 15 km, then he turns to its left and walks 10 km, then he turns and walks 15 km towards West. Where is the person now with respect to its starting position?Solution
Required distance = 20 – 10 = 10 Km.
Raj saves Rs. 4500 more if he spends 65% of his income instead of 80%. Find the savings of Sanjay whose income is 25% more than that of Raj, and spends ...
There are 100 students in a particular class. 60% students play cricket, 25 % play football and 15% play both the games. What is the number of students ...
A student multiplied a number by 2/5 instead of 5/2 . What is the percentage error in the calculation?
The value of A’s car is depreciating by 22% every year whereas the value of his house is appreciating by 16% each year as compared to the previous yea...
P’s income exceeds that of Q’s by Rs. 600 and Q’s income is 50% less than that of R’s income. If the total income of all of them...
The ratio of the monthly earning of A to that of B is 5:7.If monthly earning of A increased by 25% and that of B decreased by 60% the new ration between...
In a bio gas plant the population of yeast bacteria increases at a rate of 19% per annum but there is an additional annual increase of 1% in population ...
- If the price of a sugar bag is reduced by 40%, by what percentage should a family increase its consumption of sugar bags to ensure that their total expendi...
- The value of a piece of land increases by 12% each year. If the present value is ₹1,50,000, find the value after 2 years.
- A number is first increased by 10% and then decreased by 10%. The overall change in number is: