March 28, 2023 — SimpleEducation

The incomes of two persons P and Q are in the ratio 5 ∶ 6. If each of them saves Rs.200 per month, the ratio of their expenditures is 3 ∶ 4. Find the income of Q.

March 29, 2023March 28, 2023 by Rajesh

A) 750 B) 800 C) 600 D) 740 Detailed solution Let two persons be P and Q 5. :. 6. Income of two person 3. :. 4 expenditure For Q If income is 6 and expenditure is 4 remaining will be his saving which is 2 But in question they are given it as 200 … Read more

The ratio of tables and chairs in a room is 7 : 9. If there are 560 tables and chairs in the room, then what is the number of chairs ?

March 28, 2023 by Rajesh

A) 397 B) 315 C) 453 D) 489 SOLUTION Tables Chairs 7. 9 As per question totally they are 560 So 7 +9 = 16 16 represents the total 560 560/16 = 35 In question asked for number of chairs 35 x 9 = 315 Answer 315

2 g of benzoic acid C6H5COOH dissolved in 25 g of benzene shows a depression in freezing point equal to 1.62 K. Molal depression constant for benzene is 4.9 K kg mol−1. What is the percentage association of acid if it forms dimer in solution?

March 28, 2023 by Rajesh

WB=2g, Kf=4.9K Kgmol−1 WA=25g, ΔTf=1.62K now If x is the degree of association, (1−x) mole of benzoic acid left undissociated & corresponding x/2 as associated moles of C6H5COOH at equilibrium. i = Normal molecular mass / Abnormal molecular mass 1-x/2 = 122/241.98 x=0.992 = 99.2%

Oil India Recruitment 2023 Notification for 187 Workperson Posts Apply now

March 28, 2023 by Rajesh

Oil India Recruitment 2023 Notification for 187 Workperson Posts Apply now: Inviting online applications from eligible and interested candidates for 187 posts. Candidates can get all details related to CENTRAL GOVT JOBS 2023 Application here. Aspirants who are looking for LATEST JOB VACANCIES 2023 can read below for more details and apply soon!! Oil India Recruitment 2023 Notification ORGANIZATION NAME … Read more