Quantitative Aptitude Practice Set For IBPS RRB / So Exam 2021

 Quantitative Aptitude Practice Set For IBPS RRB / So Exam 2021

Directions (1 – 5): Find the wrong number in following number series.

Q1.  23,         38,         55,         68,        83,        92,        107

(a) 23
(b) 55
(c) 92
(d) 68
(e) 38

Q2.  2,       5,       14,        43,       122,       365,        1094

(a)  14
(b) 5
(c) 2
(d) 43
(e) 1094

Q3.  12,     21,     46,     95,     216,     383,     674

(a) 383
(b) 12
(c) 21
(d) 46
(e) 216

Q4.   1728,      1560,       1420,         1308,        1224,      1166,     1140

(a) 1560
(b) 1308
(c) 1728
(d) 1166
(e) 1140

Q5.  26,    28.4,      33.2,       42.8,       62,        100.4,      175.2

(a) 26
(b) 100.4
(c)175.2
(d) 33.2
(e) 62

Q6. The speed of car is double the speed of bike and the car is 214 km behind the bike. If the car increases its speed by 20% after every hour, then what is the time taken by car to overtake the bike if speed of bike is 50km/hour?

(a)2⅔ hours
(b)2 hours
(c)2½ hours
(d)3 hours
(e)3½ hours

Q7. The speed of boat in still water is 40% more than speed of stream. If the boat covers 108 km downstream and 24 km upstream in 7 hours, then find the time taken by boat to cover 72 km downstream?

(a)1 hour
(b)1.5 hours
(c)2 hours
(d)2.5 hours
(e)None of these

Q8. The compound interest on a certain sum of money for 2 years is Rs 1050 while the simple interest on the same sum at the same rate for 3 years is Rs 1500.Find the sum?

(a)Rs 20000
(b)Rs 15000
(c)Rs 12500
(d)Rs 10000
(e)Rs 5000

Q9. 24 men can eat 24 chocolates in 24 days. In how many days can 8 men eat 8 chocolates?

(a)8 days
(b)12 days
(c)20 days
(d)15 days
(e)24 days

Q10. Ramesh’s income is Rs 8000. He spends 10% on clothing, 15% and x % of the remaining on groceries and rent respectively. Now, he spends 25% of the remaining on food. If he is left with Rs 4320, then find x?  

(a)2
(b)3
(c)4
(d)5
(e)6

Q11. Average age of Y, Z and A is 27 years. Average age of Y and Z is 28 years, average age of Z and A is 24.5 years and Average age of A and Y is 28.5 years. Find the age of the oldest among them?

(a)25 years
(b)24 years
(c)32 years
(d)35 years
(e)38 years

Q12. Selling Price of a shirt is Rs 3600 and a discount of 10% is given on MRP of that shirt. If sum of profit earned and given discount is Rs.1120, what is profit percent earned on shirt?

(a)10%
(b)20%
(c)5%
(d)15%
(e)25%

Q13. Total girls in a class are 1470. Ratio of total boys to total students in that class is 3 : 10. If number of teachers are 30% of the boys, then find the difference between number of teachers and number of girls?

(a)1291
(b)1225
(c)1271
(d)1281
(e)1265

Q14. The simple interest received on Rs 5600 at (5+r) % per annum for 2 years is Rs 1680. Find the compound interest earned on the same sum at r% per annum for 2 years ?

(a)Rs 1176
(b)Rs 1150
(c)Rs 1200
(d)Rs 1148
(e)Rs 1172

Q15. If perimeter of a semicircle and a square are equal, then find the ratio of area of semicircle to that of square ?

(a)77 : 81
(b)81 : 85
(c)85 : 81
(d)75 : 73
(e)73 : 75

Solutions