Thirty percent of the members of a swimming club have passed lifesaving test. Among the members who have not passed the test, 12 have taken the preparatory course and 30 have not.

Created: 3 months ago | Updated: 3 months ago

Job Solution Jamuna Bank Ltd Jamuna Bank Ltd Recruitment Test for Probationary Officer Examination Held On : 20.10.2017 || 2017 গণিত

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$L e t, T o t a l m e m b e r i s 10 N o w, a c c o r d i n g t o t h e q u e s t i o n 10 x - 30 % o f 10 x = 12 + 30 \Rightarrow 10 x - 3 x = 12 + 30 \Rightarrow 7 x = 42 ∴ x = 6 T o t a l m b e m b e r s = 10 x = 10 \times 6 = 60 .$

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A box contains only marbles. If ¼ the marbles were removed, the box would be filled to 1/3 of its capacity. If instead 100 marbles were added, the box would be full. How many marbles are there in the box?

Created: 3 months ago | Updated: 3 months ago

Job Solution Jamuna Bank Ltd Jamuna Bank Ltd Recruitment Test for Probationary Officer Examination Held On : 20.10.2017 || 2017 গণিত

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Minhaz and Alam can complete a work in 18 days . After working together for 12 days Minhaz stops and Alam competes the remaining work in 8 days. In how many days can Minhaz complete the work if he works alone?

Created: 3 months ago | Updated: 3 months ago

Job Solution Jamuna Bank Ltd Jamuna Bank Ltd Recruitment Test for Probationary Officer Examination Held On : 20.10.2017 || 2017 গণিত

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In a mixture A is 20%, B is 20% and rest is C. If 250ml water is mixed with 750ml mixture, then what will be the ratio of water and C?

Created: 3 months ago | Updated: 3 months ago

Job Solution Jamuna Bank Ltd Jamuna Bank Ltd. || MTO/PO ( 2019) || 2019 গণিত

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ABCD is a parallelogram such that AB is parallel to DC and DA parallel to CB. The length of side AB is 20cm. E is a point between A and B such that the length of AE is 3cm. F is a point between points D and C. Find the length of DF such that the segment EF divide the parallelogram in two regions with equal areas.

Created: 3 months ago | Updated: 3 months ago

Job Solution Jamuna Bank Ltd Jamuna Bank Ltd. || MTO/PO ( 2019) || 2019 গণিত

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Thirty percent of the members of a swimming club have passed lifesaving test. Among the members who have not passed the test, 12 have taken the preparatory course and 30 have not.

Related Questions

A box contains only marbles. If ¼ the marbles were removed, the box would be filled to 1/3 of its capacity. If instead 100 marbles were added, the box would be full. How many marbles are there in the box?

Minhaz and Alam can complete a work in 18 days . After working together for 12 days Minhaz stops and Alam competes the remaining work in 8 days. In how many days can Minhaz complete the work if he works alone?

In a mixture A is 20%, B is 20% and rest is C. If 250ml water is mixed with 750ml mixture, then what will be the ratio of water and C?