Q. Samar invested some amount of money in the share market and stock market. Find the total interest earned by Samar from the Stock market and Share market together.<\/p>\n\n\n\n
Statement I: Difference between the compound interest and simple interest earned on Rs. 8000 at (2P \u2013 10) % per annum is Rs. 320.<\/p>\n\n\n\n
Statement II: Samar invested Rs. 12000 in share market for three years, earning compound interest at (P – 5) % per annum.<\/p>\n\n\n\n
Statement III: Samar invested Rs. 2560 in the stock market for four years, earning simple interest at (P + 5) % per annum.<\/p>\n\n\n\n
A. Statement I and II only<\/p>\n\n\n\n
B. Statement I and III only<\/p>\n\n\n\n
C. Statement II and III only<\/p>\n\n\n\n
D. All three statements together are not sufficient to answer the question<\/p>\n\n\n\n
E. None of these<\/p>\n\n\n\n
Ans: None of these<\/p>\n\n\n\n
Sol:<\/p>\n\n\n\n
We need to calculate the total interest earned by Samar from the Stock market and Share market.<\/p>\n\n\n\n
We have information about the stock market and share market in statement II and III individually.<\/p>\n\n\n\n
So, this is for sure we need II and III together.<\/p>\n\n\n\n
We also need a rate of interest, which can be easily calculated from statement I.<\/p>\n\n\n\n
So, we need to combine all three statements together.<\/p>\n\n\n\n
From (I + II + III)<\/p>\n\n\n\n
Difference between compound interest and simple interest earned on Rs. 8000 at (2P \u2013 10)<\/p>\n\n\n\n
% per annum is Rs. 320.<\/p>\n\n\n\n
So,<\/p>\n\n\n\n
8000 x (rate of interest\/100)2 = 320<\/p>\n\n\n\n
Rate of interest = 20%<\/p>\n\n\n\n
So<\/p>\n\n\n\n
2P \u2013 10 = 20<\/p>\n\n\n\n
P = 15%<\/p>\n\n\n\n
Samar invested Rs. 12000 in share market for three years, earning compound interest at (P – 5)<\/p>\n\n\n\n
% per annum.<\/p>\n\n\n\n
Compound interest earned = 12000 x (1.13 \u2013 1) = Rs. 3972<\/p>\n\n\n\n
Samar invested Rs. 2560 in the stock market for four years, earning simple interest at (P + 5) %<\/p>\n\n\n\n
per annum.<\/p>\n\n\n\n
Simple interest earned = 2560 x 20% x 4 = Rs. 2048<\/p>\n\n\n\n
Total interest earned = 3972 + 2048 = Rs. 6020<\/p>\n\n\n\n
Hence the answer is option E<\/p>\n","protected":false},"excerpt":{"rendered":"
Q. Samar invested some amount of money in the share market and stock market. Find the total interest earned by Samar from the Stock market and Share market together. Statement I: Difference between the compound interest and simple interest earned on Rs. 8000 at (2P \u2013 10) % per annum is Rs. 320. Statement II: […]<\/p>\n","protected":false},"author":419,"featured_media":162692,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5138],"tags":[5139],"offerexpiration":[],"class_list":["post-162691","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-quantitative-aptitude","tag-quantitative-aptitude"],"_links":{"self":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/162691","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/users\/419"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/comments?post=162691"}],"version-history":[{"count":1,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/162691\/revisions"}],"predecessor-version":[{"id":162693,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/162691\/revisions\/162693"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media\/162692"}],"wp:attachment":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media?parent=162691"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/categories?post=162691"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/tags?post=162691"},{"taxonomy":"offerexpiration","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/offerexpiration?post=162691"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}