Question
The number 8192 is which term in the following geometric
sequence 2, 8, 32, 128, . . . . . . .Solution
Here a = 2 and r = 4 nth term of G.P is an = arn - 1 ⇒ 8192 = 2 x ( 4) n-1 ⇒ 4096 = (4) n - 1 ⇒ (4)6 = (4) n - 1 ⇒ n = 7
Profit percentage received on a product when sold for Rs. 240 is equal to the percentage loss incurred when the same product is sold for Rs. 240. Find t...
The ratio between the cost price of article A and B is 9:8 respectively. Each of the articles was marked 40% above its cost price. If the MRP of article...
A shopkeeper marked an article 50% above its cost price and made a profit of Rs. 320 when he sold the article after giving a discount of 20%. Find the p...
Ravi purchased 6 notebooks, 18 markers, and 12 highlighters for Rs. 240, Rs. 1080, and Rs. 360, respectively, from a seller. By selling each notebook an...
The cost of item X is Rs. 150, while the cost of item Y is 36% greater than that of item X. Item X is sold at a profit of 8%, and...
The cost price of a sugar bag is (250/7)% of the selling price of a rice bag. The sugar bag is sold at a 40% profit, and its cost...
When a shopkeeper sells an item A for Rs.52,800, he incurred a loss of 45%. If he sells another item B of same cost price in order to recover the loss i...
A shopkeeper priced an item at Rs. 640 above its original cost and then sold it at a 25% discount, resulting in a 35% profit. Calculate the cost price o...
A man sells two articles at 29.180 each. He gains 8% on one article and loses 15% on the other. His overall profit or loss is:
A dealer buys three types of mangoes at Rs. 40, Rs. 30 and Rs. 10 kg respectively. He mixes them in the ratio of 2:3:4 by weight and sells them at a pro...
Relevant for Exams:
