An object 1.6m long casts a shadow 1.4 m long. At the same time another object kept nearby casts a shadow 6.2 m long. Find length of second object.
Assume that the shadow of the object is directly proportional to the length of the object.
10 oranges and 7 pears cost as much as 8 oranges and 9 pears. What is the ratio of the cost of one orange to that of one pear?
Dev purchased some tattoos and sold them. He sold them at 12 tattoos for a rupee and had a loss of 20%.For how much amount should he sell 12 tattoos to earn a profit of 20%?
If yz:zx:xy = 1 : 2 : 3, then find .
While doing some calculations for a scientific experiment, a man multiplied a number by instead of. Find the percentage error in the final result?
A calculator is marked at Rs. 360 is sold at Rs. 342. What is the rate of discount?
Naman buys an article with a 10% discount on its marked price. He sells it for Rs. 8505 and makes a profit of 5%. Find its marked price.
A notebook being sold at a gain of 20% yields Rs. 12 more than when it is sold at a loss of 20%. Find the cost price of notebook.
The ratio of the cost price to the selling price of an article is 20: 21. If the cost price of the article is decreased by 15% and selling price is increased by 20%, find the new profit percent?
What is a single discount that is equivalent to three successive discounts 10%, 15% & 20%?
In the aptitude of a multinational company having 100 questions at TNEA University, a student gets +4 marks for attempting a question correctly and -1 for attempting it wrong. If a student scores 200 marks in the test, find the number of question attempted wrong by the candidate. Assume that the student attempted all the questions.
A company import two varieties of cement, A at Rs 15 per kg and B at Rs 30 per kg from a manufacturer in China, and sells them at Rs 30 per kg thereby gaining 25%. Find the ratio in which he mixes the two varieties of cement.
What is the compound ratio of 2 : 3, 4 : 7 and 5 : 8?
A grocer buys coffee at Rs 7 /kg and chicory at Rs 3 /kg and gains 50% by selling the mixture at Rs 7.50 /kg. How much chicory was there in one kg of the mixture?
A school is going for a picnic, the ratio of the number of teachers to the number of students must be at least 2:9. If 8 teachers are going on a picnic. What is the maximum number of students that go on a picnic?
Due to change in norms by a government, an automobile dealer was needed to immediately clear stocks. He further told that by selling 9 bikes, he was losing the money equal to the selling price of 1 bike. Find his percentage loss?
In a class there are N number of students where ratio of boys to girls is 6: 1. The ratio would have been 9:1 if there are 6 more boys. Find the total number of students.
Sudhir purchased a TV set for ₹ 14500 and spent ₹ 800 on transportation and ₹ 900 on installation. Find the price at which he should sell it so as to earn an overall profit of 18%?
