{"id":163797,"date":"2024-03-08T08:07:27","date_gmt":"2024-03-08T02:37:27","guid":{"rendered":"https:\/\/www.gkseries.com\/blog\/?p=163797"},"modified":"2024-03-08T08:07:29","modified_gmt":"2024-03-08T02:37:29","slug":"a-boat-covers-a-certain-distance-upstream-in-9-hours-but-takes-5-hours-to-return-downstream-to-the-starting-place","status":"publish","type":"post","link":"https:\/\/www.gkseries.com\/blog\/a-boat-covers-a-certain-distance-upstream-in-9-hours-but-takes-5-hours-to-return-downstream-to-the-starting-place\/","title":{"rendered":"A boat covers a certain distance upstream in 9 hours but takes 5 hours to return downstream to the starting place"},"content":{"rendered":"\n

A boat covers a certain distance upstream in 9 hours but takes 5 hours to return downstream to the starting place. If the speed of the boat in still water is 30 km\/hr more than the speed of the stream, then find the distance covered by the boat in upstream?<\/p>\n\n\n\n

a)            210 km<\/p>\n\n\n\n

b)            180 km<\/p>\n\n\n\n

c)            270 km<\/strong><\/p>\n\n\n\n

d)            150 km<\/p>\n\n\n\n

e)            None of these<\/p>\n\n\n\n

Sol:<\/p>\n\n\n\n

Speed of the stream=x km\/hr<\/p>\n\n\n\n

Speed of the boat=(x+30) km\/hr<\/p>\n\n\n\n

Downstream distance=(x+30+x)*5 km<\/p>\n\n\n\n

Upstream distance=(x+30-x)*9 km<\/p>\n\n\n\n

(x+30+x)*5=(x+30-x)*9<\/p>\n\n\n\n

(2x+30)*5=270<\/p>\n\n\n\n

10x=270-150<\/p>\n\n\n\n

x=12 km\/hr<\/p>\n\n\n\n

Speed of the boat=12+30=42 km\/hr<\/p>\n\n\n\n

Upstream distance=(12+30-12)*9=270 km<\/p>\n","protected":false},"excerpt":{"rendered":"

A boat covers a certain distance upstream in 9 hours but takes 5 hours to return downstream to the starting place. If the speed of the boat in still water is 30 km\/hr more than the speed of the stream, then find the distance covered by the boat in upstream? a)            210 km b)            180 […]<\/p>\n","protected":false},"author":419,"featured_media":163804,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5138],"tags":[5139],"offerexpiration":[],"class_list":["post-163797","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\/163797","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=163797"}],"version-history":[{"count":1,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/163797\/revisions"}],"predecessor-version":[{"id":163805,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/163797\/revisions\/163805"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media\/163804"}],"wp:attachment":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media?parent=163797"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/categories?post=163797"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/tags?post=163797"},{"taxonomy":"offerexpiration","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/offerexpiration?post=163797"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}