Question
50 books can be purchased for a certain
sum payable at the end of a year and 60 such books can be purhased for the same amount if cash payment is made. The discount percent is: (a) 10% (b) 15% (c) `16 2/3%` (d)20%Solution
Let the c.p. of a book be = Re. 1 c.p. of 50 books = Rs. 50 and c.p. of 60 books = Rs. 60 credit price of 50 book = Rs. 60 discount = Rs. 60 - 50 = Rs. 10 and discount percent =
Durgesh can complete a task alone in 21 days. If Vikash works alone for 8 days and then leaves, Durgesh can finish the remaining work in 7 days. Satish ...
A car typically travels 20% faster than a bike. The bike takes 4 hours to cover 300 km. If the car's speed were 8 km/h less than ...
Prove the identity: tan² θ + 1 = sec² θ
What is the total production of Product Y for the entire year, and what percentage does it contribute to the total production of all products in the las...
Find the area enclosed between the curves y=(x−4)2 and y=16−x2over their intersection interval.
The selling price of 8 shirts is the same as the cost price of 9 shirts. If each shirt is marked at 50% above its cost price, calculate the percentage d...
Find the sum of areas of surfaces of an open chalk box that is in the shape of Cuboid.
Statement I:Â Sum of all three dimensions of the chalk b...
A container has a mixture of two liquids, A and B, in the ratio of 5:3. If 16 liters of the mixture are removed and replaced with 16 liters of liquid B,...
The following table shows the number of students enrolled in different courses at a university:
The average age of three friends Maya, Nirmal, and Raju is 27 years. The age ratio of Nirmal to Raju is 9:5, and Maya is 11 years...
