Quantitative Aptitude Quiz For RBI Grade B Phase 1 2023 -14th June

Q1. A contractor was given a contract of completing a task in 60 days. He hired 40 men for completing the task. At the end of 36 days, he realized that only 50% task has been completed. So, in order to complete the task in the contracted time he hired more men. How many more men are hired by contractor to complete the task in contracted time?
(a) 20 men
(b) 18 men
(c) 25 men
(d) 12 men
(e) 16 men

Q2. A & B can complete a piece of work in 20 days. They both start working together and after 8 days, A got ill. Due to A’s sickness, A’s efficiency falls down by 40% and thus the total work completed in 24 days, then find in how many days B alone can complete the remaining work after A got sick.
(a) 31 days
(b) 34 days
(c) 20 days
(d) 32 days
(e) None of the above.

Q3. Anurag & Ayush together can do a work in 40/3 hours, while Veer alone can do the same work in ______ hours. Anurag & Veer start same work together and after four hours Anurag left the work, while Veer alone worked for three more hours, after that Ayush joined Veer and both complete the remaining work in _____hours. Ayush & Veer can complete the same work together in 22.5/2 hours, while efficiency of Anurag is 25% more than Ayush. Find the value of the blanks.
(a) 20 & 5
(b) 18 & 6
(c) 18 & 5
(d) 18 & 8
(e) 20 & 6

Q4. Sam is 20% less efficient than Anu & both complete the work together in 20 days. If another person Mohit takes 10 days more than Anu and Sam together to complete the same work. Then find in how many days all three complete the work together?
(a) 10 days
(b) 18 days
(c) None of these
(d) 12 days
(e) 15 days

Q6. A contractor gives a contract to ‘X’ for building a wall in 8 days. After 2 days of starting of work he realizes that he will be able to finish 64% of work in the contracted time, so he invite Y and Z due to which they complete the work on 6th day from starting. At the end, if ratio of money received by X, Y and Z is 12 : 8 : 5 then find in how many days Z can alone complete the work?
(a) 15 days
(b) 16 days
(c) 29 days
(d) 20 days
(e) None of these

Q8. Prashant invested certain amount at 12% p.a. SI and at 20% p.a. CI compounding annually for 3 years and 2 years respectively and amount invested by him at SI is Rs.4000 more than amount invested by him at CI. If difference of SI received and CI received is Rs.1040, then find amount invested by him at SI is what percent of amount invested by him at CI.
(a) 200%
(b) 180%
(c) 150%
(d) 220%
(e) 110%

Q9. Arun invested Rs. ‘p’ in a scheme for 2 years which offered simple interest at the rate of 22.5% per annum and Pinki invested Rs. (p + 4000) in another scheme for same period of time on C.I. at the rate of 15% per annum. If Arun got Rs 750 more as the interest then find the average of amount invested by them?
(a) Rs 15,000
(b) Rs 16,000
(c) Rs 14,000
(d) Rs 18,000
(e) Rs 20,000

Q10. Amar invested a sum of Rs 2000 in a business with Akbar who invested Rs ‘X’. After 4 months, Anthony joined them with Rs ‘2X’. After another 4 months, Amar withdrew half of his investment while Anthony invested Rs ‘X+1000’ more. At the end of the year, Akbar got Rs 18000 out of total profit of Rs 60000. If Amar & Akbar re-entered into another partnership with Rs ‘X+2000’ & Rs ‘X-1000’ respectively then find profit ratio at end of year.
(a) 3 : 2
(b) 5 : 2
(c) 5 : 4
(d) 4 : 1
(e) None of these

Solutions