RRB NTPC 2021-14-03-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-14-03-2021-1 RRB Questions

31.
Rama packs 36 boxes in 1 h. Her sister needs 3 h to pack the same number. How much time will they together take to pack these 36 boxes?
A.
40 min
B.
38 min
C.
42 min
D.
45 min
ANSWER :
D. 45 min
32.
Select the option in which the numbers share the same relationship as that shared by the given group of numbers. (15, 7, 110)
A.
(21, 4, 90)
B.
(17, 2, 44)
C.
(44, 2, 95)
D.
(18, 5, 95)
ANSWER :
D. (18, 5, 95)
33.
Two regular polygons have the same number of sides. Their lengths are in the ratio 7 : 5 and the area of the larger polygon is 1127 cm². Find the area of the smaller polygon.
A.
575 cm²
B.
565 cm²
C.
585 cm²
D.
550 cm²
ANSWER :
A. 575 cm²
34.

The value of \(\left(\frac{\frac{8}{3}\div\frac{3}{5}\times\frac{7}{5}}{\frac{5}{3}\div\frac{5}{7}\times\frac{8}{9}}\right)\div9\)

A.

\( \frac{1}{3} \)

B.

\( \frac{3}{5} \)

C.

\( \frac{2}{3} \)

D.

\( \frac{1}{5} \)

ANSWER :

A. \( \frac{1}{3} \)

35.
Which article of the Indian Constitution declares Hindi as the language of the Union?
A.
Article 29(1)
B.
Article 29(2)
C.
Article 343(2)
D.
Article 343(1)
ANSWER :
D. Article 343(1)
36.
The greatest number of four digits which is divisible by 18, 25, 45 and 55 is:
A.
9900
B.
9950
C.
9500
D.
9940
ANSWER :
A. 9900
37.

The sum of the salaries of A and B together is ₹4,300. A spends 95% of his salary and B, 80% of his salary. If their savings are the same, what is A's salary?

A.

₹3,440

B.

₹3,445

C.

₹3,442

D.

₹3,430

ANSWER :

A. ₹3,440

38.
Arrange the following events during India's freedom struggle, chronologically:
I. The Salt March
II. Jallianwala Bagh Massacre
III. Quit India Movement
IV. Non Cooperation Movement
A.
I, II, III, IV
B.
II, IV, I, III
C.
III, IV, II, I
D.
IV, I, II, III
ANSWER :
B. II, IV, I, III
39.
Looking at a photo of a person a girl said, "His daughter's paternal uncle's wife is my mother." What is the relation of that girl to the mother of the person in the photo?
A.
Son's Daughter
B.
Father's Mother
C.
Brother's Daughter
D.
Daughter's Daughter
ANSWER :
A. Son's Daughter
40.

Calculate the standard deviation for the following data.
3, 4, 5, 6, 7

A.

\(\sqrt{3}\)

B.

\(\sqrt{6}\)

C.

\(\sqrt{2}\)

D.

2

ANSWER :

C. \(\sqrt{2}\)