IBPS RRB 2019 Prelims Quantitative Aptitude: PO/Clerk | 16th July

IBPS-RRB-Quantitative-Aptitude-Quiz: 16th July

IBPS RRB Quantitative Aptitude Quiz

Here, we are providing IBPS RRB Study Plan as there is left not enough time to deal in details. The questions asked in the quantitative aptitude section are calculative and very time-consuming. But once dealt with proper strategy, speed, and accuracy, this section can get you the maximum marks in the examination. Following is the Quantitative Aptitude Quiz to help you practice with the best of latest pattern questions.






Q1. In how many ways the letters of the word ‘TALWAR’ can be arranged such that T and R are always at end places?

60
24
120
20
48
Solution:

Q2. In how many different ways 4 boys can be seated among five girls around a circular table such that no two boys sit together?

2800
1440
2880
720
5040
Solution:

Q3. How many numbers greater than 4000 can be formed by using the digits 0, 1, 2, 3, 4 without repeating the digits?

24
12
96
60
48
Solution:

Required numbers = 1 × 4 × 3 × 2 = 24

Q4. In how many different ways four letters can be posted through five letters boxes?

3125
125
4⁵
5⁴
Solution:

Required ways = 5 × 5 × 5 × 5 = 5⁴

Q5. How many five digits numbers divisible by ‘3’ can be formed from first five natural numbers without repetition the digits?

60
120
240
720
48
Solution:

Natural numbers are 1, 2, 3, 4, 5 A number will be divisible by ‘3’ if sum of its all digits is divisible by 3.

So, sum of 1, 2, 3, 4, 5 = 15

∴ Required numbers = 5!

= 120

Q6. In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there?

159
194
205
209
309
Solution:

Q7. How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by 5 and none of the digits is repeated?

5
10
15
20
18
Solution:

Q8. A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the box, if at least one black ball is to be included in the draw?

32
48
64
96
106
Solution:

Ways of drawing at least one black ball = Total no. of ways – no black ball

Q9. All possible four-digit numbers, with distinct digits are formed, using the digits {1, 3, 4, 5, 6}. How many of them are divisible by 2?

8
24
48
20
32
Solution:

Consider four blanks

_ _ _ _

The units place is filled with either 4 or 6. The remaining three blanks can be filled with 4 digits in ⁴P₃ ways.

∴ The number of four-digit numbers required is 24 + 24 = 48.

Q10. Ten points are selected on a plane, such that no three of them are collinear. How many different straight lines can be formed by joining these points?

54
45
90
108
116
Solution:

Directions (11-15): What should come in place of question mark (?) in the following questions?

Q11. 0.5% of 674 of 0.8% of 225 = ?

7.066
9.12
6.066
5.17
4.066
Solution:

Q12. 56% of 225 + 20% of 150 = ? – 109

49
103
53
47
265
Solution:

? = 126 + 30 + 109 = 265

Q13. 12% of 1885 = ? ÷ 6

1248.4
1292.2
1312.6
1357.2
1157.2
Solution:

? = 226.2 × 6 = 1357.2

Q14. 115% of 4880 – 85% of 1640 =?

4218
4368
4448
4628
4118
Solution:

? = 5612 – 1394 = 4218

Q15. 5.35 + 4.43 + 0.45 + 45.34 + 534 = ?

597.27
589.57
596.87
596.67
689.57
Solution:

? = 589.57

               



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