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# Quantitative Aptitude Quiz For RBI Grade B/ ECGC PO/ SIDBI Grade A Prelims 2022- 31st March

Q1. The average weight of 4 men A, B, C and D, is 67 kg. The 5th man E is included and the average weight decreases by 2 kg. A is replaced by F. The weight of F is 4 kg more than E. Average weight decreases because of the replacement of A and now the average weight is 64 kg. Find the weight of A?
(a)78 kg
(b)66 kg
(c)75 kg
(d)58 kg
(e)None of these

Q2. The ratio of the number of boys and girls in a school is 3 : 2. If 20% of the boys and 30% of the girls are scholarship holders, then the percentage of students, who do not get scholarship, is
(a) 50
(b) 72
(c) 75
(d) 76
(e) None of these

Q3. Kadbury offers a packet of 5 chocolates at the list price of 4 chocolates and on purchasing 19 such packets gives one packet absolutely free. A trader receives 20 packets of the chocolates in the offer and sells each chocolate at its list price. What is his net percentage profit?
(a) 24%
(b) 31.58%
(c) 35%
(d) 53.75%
(e) 34.5%

Q4. A, B and C can do a job in 6 days, 12 days and 15 days respectively. After 1/8 of the work is completed, C leaves the job. Rest of the work is done by A and B together in :-
(a) 5 ⅚ days
(b) 5 ¼ days
(c) 3 ½ days
(d) 3 ¾ days
(e) None of these

Q5. A person bought two clocks. The cost price of one of them exceeds the cost price of the other by 1/4th. He sold the dearer one at a gain of 10% and the other at a gain of 7.5% and thus got Rs. 98 in all as S.P. find the cost price of the cheaper one.
(a) Rs. 40
(b) Rs. 50
(c) Rs. 30
(d) Rs. 60
(e) None of these

Q7. In every month Ravindra consumes 25 kg rice and 9 kg wheat. The price of rice is 20% of the price of wheat and thus he spends total Rs. 350 on the rice and wheat per month. If the price of wheat is increased by 20% then what is the percentage reduction of rice consumption for the same expenditure of Rs. 350 ? Given that the price of rice and consumption of wheat is constant :
(a) 36%
(b) 40%
(c) 25%
(d) 24%
(e) 30%

Q8.9 taps are fitted to a water tank. Some of them are water taps to fill the tank and the remaining are outlet taps used to empty the tank. Each water tap can fill the tank in 9 hours and each outlet tap can empty it in 9 hours. On opening all the taps, the tank is filled in 9 hours. Find the number of water taps.
(a) 4
(b) 5
(c) 6
(d) Can’t be determined
(e) none of these

Q9.A, B and C together earn Rs. 2700 in 18 days. A and C together earn Rs. 940 in 10 days. B and C together earn Rs. 1520 in 20 days. Find the daily earning of C.
(a) Rs. 20
(b) Rs. 40
(c) Rs. 10
(d) Rs. 50
(e) none of these

Q10.Weights of two friends Sudhir and Sudhesh are in the ratio of 4 : 1. Sudhir’s weight increases by 12% and the total weight of Sudhir and Sudhesh together becomes 50 kg, with an increase of 25%. By what per cent did the weight of Sudhesh increase?
(a) 77%
(b) 75%
(c) 74%
(d) 70%
(e) none of these

Q11. Arun and Twinkle can dig a trench 100 m long in 10 and 20 hours respectively. At what distance from Arun should Arun and Twinkle interchange their positions so that they meet exactly at the centre if they start from opposite ends?
(a) 33.33 m
(b) 25 m
(c) 40 m
(d) 27 m
(e) none of these

Q12. Shatabdi express leaves lucknow at 8 : 30 A.M. and expects to reach a place 300 km from Lucknow at 12 : 30 P.M. At 10 : 30 A.M. it was found that it has covered only 40% of the distance. By how much it has to increase the speed, in order to keep up his schedule?
(a) 45 km/hr
(b) 40 km/hr
(c) 30 km/hr
(d) 50 km/hr
(e) None of these

Q13. Amit and Sujit together can complete an assignment of Data entry in 5 days. Sujit’s speed is 80% of Amit’s speed and the total key depressions in the assignment are 5,76,000. What is Amit’s speed in key depressions per hour if they work for 8 hours a day?
(a) 4800
(b) 6400
(c) 8000
(d) 7200
(e) None of these

Q14. A starts business with a capital of Rs1200. B and C join with some investments after 3 and 6 months, respectively. If at the end of a year, the profit is divided in the ratio 2 : 3 : 5 respectively, what is B’s investment in the business?
(a) 2400
(b) 180
(c) 3600
(d) 6000
(e) 5500

Q15. A hemispherical bowl is filled to the brim with a beverage. The contents of the bowl are transferred into a cylindrical vessel whose radius is 50% more than its height. It the diameter is same for both the bowl and the cylinder, the volume of the beverage in the cylindrical vessel is :
(a) 66 ⅔ %
(b)78 ½ %
(c) 100%
(d) More than 100%
(e) None of these

Solutions

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