Quantitative Aptitude Quiz For IBPS RRB PO, Clerk Prelims 2021- 28th May |

Table of Contents

Q1. A trader wants to earn profit after allowing a discount of 25% find by how much percent he has to increase his cost price to make it marked price?( approximate)
(a) 50%
(b) 56%
(c) 40%
(d) 52%
(e) 46%

Q2. Out of 12 applications for a job, there are 5 women and 7 men. It is desired to select 2 persons for the job. The probability that at least one of the selected persons will be a women is?
(a) 13/66
(b) 15/22
(c) 7/11
(d) 11/20
(e) 7/22

Q3. The average age of 3 persons comprising husband wife and their only son was 45 year. The son got married and exactly after 1 year a child was born to them. When the child become 5 years old the average age of the family become 37 years. What was the age of bride at the time of marriage?
(a) 21 year
(b) 17 year
(c) 26 year
(d) 31 year
(e) 37 year

Q4. A certain principle is invested at the rate of 20% p.a. on compound interest. The difference between compound interest earned on only 2nd year and on only 3rd year is Rs7164. Find the total interest earned in three years.
(a) Rs124849
(b) Rs94856
(c) Rs108654
(d) Rs315500
(e) Rs325786

Q5. A container whose capacity is 80 litre contains milk and water in the ratio 3 : 2. How much quantity of mixture should be replaced with milk so that in the final mixture, ratio of milk to water each 27 : 13?
(a) 16 litres
(b) 25 litres
(c) 28 litres
(d) 15 litres
(e) 32 litres

Q6. Three partners A, B and C invested their amounts in ratio of 2 : 5 : 7. At the end of 6 months, ‘A’ added some more amount such that his investment become equals to half of sum of ‘B’ and ‘C’ initial investment. If at the end of the year, B’s share in profit is Rs 4250, then find the total profit?
(a) Rs 12500
(b) Rs 13600
(c) Rs 18400
(d) Rs 10500
(e)Rs 14500

Q7. Perimeter of a square is equal to perimeter of a rectangle, if area of square is 729 sq.cm and length of rectangle is 100% more than that of breadth, then find the area of rectangle? (in cm sq.)
(a) 792
(b) 728
(c) 684
(d) 648
(e) 582

Q8. A positive integer is selected at random and is divided by 11. Find the probability that the remainder is not an even number?
(a) 3/11
(b) 8/11
(c) 5/11
(d) 9/11
(e) 7/11

Q9. Find number of ways in which words can be formed using ‘RECOGNITION’ such that two ‘O’ and two ‘N’ always come together?
(a) 362885 ways
(b) 144885 ways
(c) 191345 ways
(d) 182485 ways
(e) 181440 ways

Q10. A man’s age is four times the average age of his three children. If ratio of his children’s age is 2 : 3 : 4 and man is 40 years elder than youngest child, then find average age of all four together?
(a) 24 years
(b) 18 years
(c) 21 years
(d) 27 years
(e) 22 years

Q11. Ritu and Anu together can do a work in 16 days where as Anu alone can do it in 24 days. If Neha alone can do the same work in 30 days, then find the ratio of efficiency of Neha to efficiency of Ritu?
(a) 5 : 8
(b) 8 : 5
(c) 5 : 3
(d) 2 : 3
(e) 7 : 8

Q12. A mixture contain Iron and copper in the ratio of 7 : 12. When 30 kg Iron and 40 kg copper mixed into the mixture the ratio becomes 5 : 8. Find the ratio of the initial quantity of Iron to the final quantity of copper.
(a) 9 : 8
(b) 5 : 3
(c) 3 : 16
(d) 7 : 16
(e) 8 : 7

Q13. A shopkeeper have 800 kg of Sugar, a part of which he sells at 10% profit and remaining at 15% loss thus, he incurred overall loss of 5.625%. What would be the profit/loss percentage, if he interchanges the quantity he sold initially.
(a) 1.5%
(b) 0.375%
(c) 1.125%
(d) 2.125%
(e) 0.625%

Q14. In how many ways the word “Examination” can be arranged so that all consonant comes together?
(a) 14400
(b) 28800
(c) 720
(d) 75600
(e) 50400

Q15. Muskaan gives 20% of her salary to Simran. Simran gives 40% of this money to her Mom and remaining money is invested for 2 years in a scheme which offer Compound Interest at the rate of 20% p.a. If Interest earned on amount invested is Rs6600 then, find the salary of Muskaan.
(a) 150000
(b) 175000
(c) 140000
(d) 125000
(e) 120000

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