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Quantitative Aptitude for IBPS PO/RRB/NABARD

1. A sum of money invested at a certain rate of interest compounded annually becomes thrice in 2 years. In how much time will the interest become 26 times that of the principal?
1) 13 years
2) 10 years
3) 8 years
4) 6 years
5) 5 years
2. Find the minimum surface area (in cm²) of a spherical box which can accommodate a cubical box of surface area 216 cm².
1) 52 π
2) 84 π
3) 108 π
4) 64 π
5) 32 π
3. The HCF and the LCM of two natural numbers are 3 and 36 respectively. Find the minimum sum of the two numbers.
1) 18
2) 21
3) 24
4) 27
5) 30
4. Out of 15 students studying in a class, 7 are from Maharashtra, 5 from Karnataka and 3 from Goa. 4 students are to be selected at random. What are the chances that at least one is from Karnataka?
1) 12/13
2) 11/13
3) 100/15
4) 14/27
5) 37/47
5. Sonu invested 10% more than Vijay. Vijay invested 10% less than Vishal. If the total sum of their investments is ₹ 5780, how much amount did Vishal invest?
1) ₹ 2010
2) ₹ 2000
3) ₹ 2100
4) ₹ 1210
5) ₹ 2110
6. To fill 12 vacancies there are 25 candidates, of which 5 are from local institutes. 3 vacancies are reserved for the local – institute candidates and the rest are open to all. Find the number of ways in which the selection can be made.
1) 16796
2) 167960
3) 1679600
4) 176900
5) 196700
7. A person lent a certain sum of money at 4% simple interest and in 8 years the interest amounted to ₹ 340 less than the sum lent. Find the sum lent.
1) ₹ 400
2) ₹ 500
3) ₹ 600
4) ₹ 550
5) ₹ 450
8. A person bought 2 watches for ₹ 480. He sold one of them at a loss of 15% and the other at a gain of 19% and found that each watch was sold at the same price. Find the cost price of each of them.
1) ₹ 180, ₹ 280
2) ₹ 200, ₹ 90
3) ₹ 280, ₹ 200
4) ₹ 280, ₹ 250
5) ₹ 250, ₹ 240
9. The ratio of the speed of a boat to that of a stream is 36 : 5. The time taken downstream from one point to an other is 5 hours. What is the time taken by the boat for the same distance upstream?
1) 5 hrs 20 min
2) 6 hrs 19 min
3) 7 hrs 40 min
4) 5 hrs 23 min
5) 7 hrs 40 min
10. The age of Mohan’s father was 40 years at his birth. When Mohan becomes 8 his sister becomes 12. Mohan’s mother was 30 at his sister’s birth. What is the ratio of the present age of Mohan’s mother to his father’s, if Mohan is 20 years old now?
1) 9 : 10
2) 10 : 9
3) 11 : 10
4) 10 : 11
5) 12 : 13

Answers:

  1. 4
  2. 3
  3. 2
  4. 2
  5. 2
  6. 3
  7. 2
  8. 3
  9. 2
  10. 1
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