Quantitative Aptitude Quiz For IBPS PO Prelims 2021- 8th December

Q3. Efficiency of A is 40% more than that of B and ratio of efficiency of C to A is 6:7. Time taken by A and C together to complete the work is 18 days. Find the number of days taken by all of them working together to complete twice of the same work?
(a) 32 days
(b) 24 days
(c) 25 days
(d) 26 days
(e) 27.5 days

Q4. Ravi cuts a square field of maximum possible area from his circular field. Find the area of the remaining circular field if the cost of grass cutting of the square field at Rs 4 per m² is Rs 882?
(a) 120 m²
(b) 126 m²
(c) 121 m²
(d) 116 m²
(e) 109 m²

Q6. Marked price of an article is Rs 360 more than its cost price. If profit earned is equal to the discount given then find the profit earned?
(a) Rs 190
(b) Rs 200
(c) Rs 150
(d) Rs 180
(e) Rs 175

Q8. Difference between CI received in first 1.5 years (compounded annually) at 20% per annum and CI received in last 1.5 years when compounded half yearly at the same rate of interest on the same sum is Rs 715 then find the sum?
(a) Rs. 66,000
(b) Rs. 65,000
(c) Rs. 64,500
(d) Rs. 65,500
(e) Rs. 67,500

Q11. ‘A’ invested Rs. X on CI and ‘B’ invested Rs. Y on SI at the rate of 10% and 20% respectively. A invested for two years and B invested for three years and ratio of interest got by ‘A’ for second year and total interest got by B is 1 : 3. Veer invested Rs. (X + Y) on SI for two years on 12% p.a. and gets Rs. 372 as interest. Find (X – Y)?
(a) Rs. 350
(b) Rs. 450
(c) Rs. 400
(d) Rs. 750
(e) Rs. 800

Q13. Sum of ages of A and B is 12 years more than twice the age of C and Sum of ages of A & D is twice the age of C. If the average age of B&D is 50 years and average age of all four is also 50 years, then find the difference between the age of A and C?
(a) 6 years
(b) 1 years
(c) 3 years
(d) 4 years
(e) 2 years

Q14. Aman divided his total savings between his son and daughter in the ratio of 5 :3. His son invested his share on CI for two years at the rate of 10% and received the interest Rs. 480 less than his sister, who invested her share on SI for three years at the rate of 15% . Find Share of Aman’s son and daughter respectively?
(a) Rs. 10800, Rs. 2000
(b) Rs. 9600, Rs. 4200
(c) Rs. 8000, Rs. 4800
(d) Rs. 9800, Rs. 3000
(e) Rs. 7000, Rs. 5800

Q15. P and Q together can complete a work in 24 days, while Q and R working together can complete the same job in 32 days. P and Q started the work and did it for 8 days, after that P left the work and R joined Q and after 12 more days, Q also left the work. Then, the remaining work was completed by R in 28 days. Find in how many days R will complete the work alone?
(a) 96 days
(b) 72 days
(c) 108 days
(d) 90 days
(e) 81 days

Solutions