RRB-NTPC 2021 General Awareness
Practice subject-wise previous year questions
Question 301
GK
Each of the digits in the number 8123457 is arranged in ascending order from left to right. The position(s) of how many digits will remain unchanged as compared to that in the original number?
A
ThreeB
TwoC
OneD
NoneQuestion 302
GK
BGLY is related to EIOA in a certain way based on the English alphabetical order. In the same way, NOXG is related to QQAI. To which of the given options is WUGM related, following the same logic?
A
ZJOWB
ZJOIC
ZWOJD
ZWJOQuestion 303
GK
What should come in place of the question mark (?) in the given series? 312 296 280 264 ? 232 216
A
242B
248C
260D
240Question 304
GK
Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cluster DOES NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)
A
DGFB
ORQC
POTD
FIHQuestion 305
GK
Himank starts from Point A and drives 13 km towards West. He then takes a left turn, drives 3 km, turns left and drives 16 km. He then takes a left turn and drives 6 km. He takes a final left turn, drives 3 km and stops at Point P. How far (shortest distance) and towards which direction should he drive in order to reach Point A again? (All turns are 90° turns only unless specified.)
A
3 km to SouthB
4 km to SouthC
4 km to NorthD
3 km to NorthQuestion 306
GK
If 2 is added to each even digit and 1 is subtracted from each odd digit in the number 5672493, then which of the following digits will be third from the left in the new number thus formed?
A
2B
8C
6D
4Question 307
GK
If 2 is added to each even digit and 1 is subtracted from each odd digit in the number 29134576, then what will be the difference between the greatest and smallest digit in the number thus formed?
A
6B
4C
2D
8Question 308
GK
K is the son of I. I is the father of L. L is the mother of O. O is the brother of S. How is K related to O?
A
Mother's brotherB
WifeC
FatherD
BrotherQuestion 309
GK
Find the area of a triangle with base 12 cm and height 8 cm.
A
$72\ cm^2$B
$60\ cm^2$C
$48\ cm^2$D
$96\ cm^2$Question 310
GK
3 years ago, the father's age was 24 years more than twice his son's age. After how many years from now will his age be twice his son's age?
A
19B
23C
25D
21Question 311
GK
The cost of 12 pens and 7 pencils is ₹285. If the cost of a pen decreases by ₹6 and the cost of a pencil increases by ₹5, then the cost of 11 pens and 3 pencils is ₹118. What is the original cost of 2 pens and 2 pencils?
A
₹68B
₹66C
₹73D
₹70Question 312
GK
Find the simple interest (in ₹) on ₹1,200 at an interest rate of 4% per month for 9 months.
A
₹56B
₹432C
₹36D
₹72Question 313
GK
Nitin bought some pencils at the rate of ₹180 a dozen. He sold them for ₹17 each. His profit percentage is __________%. (Round off to two decimal places.)
A
11.33B
17.33C
15.33D
13.33Question 314
GK
The sum of five numbers is 655. The average of the first two numbers is 80 and the third number is 109. Find the average of the remaining two numbers.
A
190B
194C
193D
189Question 315
GK
An amount of ₹658 is divided among three persons in the ratio of 18: 12: 2. The difference between the largest and the smallest shares (in ₹) in the distribution is:
A
329B
426C
261D
242Question 316
GK
The number 444348269 is divisible by which of the following?
A
10B
19C
12D
9Question 317
GK
The current population of a town is 14,680. It increases by 25% and 70% in two successive years but decreases by 20% in the third year. What is the population of the town at the end of the third year?
A
24,956B
24,960C
24,953D
24,958Question 318
GK
The average runs scored by a batsman in 23 matches is 42. In the next 10 matches, the batsman scored an average of 15 runs. Find his average runs scored (rounded off to two decimal places) in all the 33 matches.
A
32.82B
34.82C
33.82D
35.82Question 319
GK
Each of the digits in the number 71642938 is arranged in ascending order from left to right. The position of how many digits will remain unchanged as compared to that in the original number?
A
NoneB
TwoC
OneD
ThreeQuestion 320
GK
A, B, C, D, E, F and G are sitting around a circular table facing the centre. B sits third to the right of E. F sits to the immediate left of B. C is the immediate neighbour of A and B. G is not the immediate neighbour of F. How many people sit between D and G when counted from the left of G?
A
FourB
TwoC
FiveD
ThreeQuestion 321
GK
What will come in place of the question mark (?) in the following equation, if ‘+’ and ‘×’ are interchanged and ‘−’ and ‘÷’ are interchanged? 38 ÷ 7 + 5 × 20 − 4 = ?
A
22B
27C
8D
15Question 322
GK
In a certain code language, A + B means 'A is the daughter of B', A - B means 'A is the wife of B', A $\times$ B means 'A is the father of B' and A $\div$ B means 'A is the brother of B'. How is A related to S if 'A + E - F $\times$ N \(\div\) S'?
A
Father's sisterB
Mother's motherC
Father's motherD
SisterQuestion 323
GK
If 2 is added to each even digit and 2 is added to each odd digit in the number 7145362, what will be the sum of the last two and first two digits in the new number thus formed?
A
25B
24C
26D
27Question 324
GK
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusion(s) logically follow(s) from the statements. Statements: All physicists are chemists. No chemists are biologists. Conclusions: I. No biologists are physicists. II. Some biologists are physicists.
A
Only conclusion (II) follows.B
Neither conclusion (I) nor (II) follows.C
Only conclusion (I) follows.D
Both conclusions (I) and (II) follow.Question 325
GK
If '+' and '÷' are interchanged, and '-' and '×' are interchanged, then what will come in place of the question mark (?) in the following equation? 21 ÷ 57 – 3 × 8 + 4 = ?
A
56B
23C
45D
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