RRB-NTPC 2021 Mathematics

Practice subject-wise previous year questions

Question 2176
Arithmetic

A vendor buys 42 laptop bags for ₹41,622 and sells them at 35 for ₹37,345. How many laptop bags should be bought and sold to earn a profit of ₹3,952?

A
52
B
16
C
34
D
76
Question 2177
Arithmetic

Which reformer gave the slogan 'One God, One Caste'?

A
Jyotiba Phule
B
Dayanand Saraswati
C
Narayana Guru
D
Keshub Chandra Sen
Question 2178
Arithmetic

What will come in the place of '?' in the following equation, if '+' and '-' are interchanged and 'x' and '÷' are interchanged? $45 ÷ 12 - 75 × 5 + 13 = ?$

A
546
B
542
C
545
D
544
Question 2179
Arithmetic

A person who spends 50% of his monthly income is able to save ₹7,056 per month. His monthly expenses (in ₹) are:

A
7,056
B
6,987
C
7,024
D
7,039
Question 2180
Arithmetic

Shubham ranked 19 th from the top and 46 th from the bottom in his class. How many students are there in his class?

A
62
B
65
C
63
D
64
Question 2181
Arithmetic

Which of the following letter-number-clusters will replace the question mark (?) in the given series to make it logically complete ? VRO 6, UQN 11, TPM 16, SOL 21, ?

A
RPM 25
B
PQM 25
C
RNK 26
D
PRN 26
Question 2182
Arithmetic

Select the triad that follows the same pattern as that followed by the two triads given below. Both triads follow the same pattern.  EA-GC-JLGC-IE-LN

A
LG-MJ-PS
B
KG-MI-PS
C
KG-MI-PR
D
LG-MI-PS
Question 2183
Arithmetic

RR 14 is related to UN 3 in a certain way. In the same way, BV 10 is related to ER -1. To which of the given options is PE 1 related, following the same logic?

A
RI 8
B
SA-10
C
VS-9
D
PV 2
Question 2184
Arithmetic

Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only. (Left) 2 @ % * 2 7 4 8 € @ % $ 7 6 6 * $ 7 £ 7 6 (Right) How many such numbers are there each of which is immediately preceded by a number and also immediately followed by a symbol?

A
4
B
1
C
2
D
3
Question 2185
Arithmetic

If (3, 2) are coordinates of the centroid of a triangle, whose vertices are (0, 4), (-2, 0) and (p, 2), then find the value of p.

A
8
B
10
C
9
D
11
Question 2186
Arithmetic

Harappan seals were made mostly from which of the following?

A
Steatite
B
Terracotta
C
Marble
D
Iron
Question 2187
Arithmetic

According to the Economic Survey 2023-24, what percentage of India's population is expected to reside in urban areas by 2030?

A
40%
B
35%
C
50%
D
45%
Question 2188
Arithmetic

What is the region lying to the north of the Narmada River called?

A
Chota Nagpur Plateau
B
Deccan Plateau
C
Central Highlands
D
Eastern Ghats
Question 2189
Arithmetic

Which programme of the Indian Government uses Socio-Economic and Caste Census (SECC) data for identifying beneficiaries?

A
Pradhan Mantri Awaas Yojana - Gramin
B
Mahatma Gandhi National Rural Employment Guarantee Act
C
Digital India
D
National Rural Health Mission
Question 2190
Arithmetic

Which country took over the presidency of the G7 in January 2021?

A
France
B
Britain
C
Canada
D
Australia
Question 2191
Arithmetic

The cost of 15 pens and 6 pencils is ₹291. If the cost of a pen decreases by ₹9 and the cost of a pencil increases by ₹2, then the cost of 9 pens and 3 pencils is ₹75. What is the original cost of 12 pens and 3 pencils?

A
₹158
B
₹157
C
₹161
D
₹159
Question 2192
Arithmetic

What should come in place of the question mark (?) in the given series? 982 980 976 970 962 ?

A
952
B
954
C
948
D
950
Question 2193
Arithmetic

In MS PowerPoint 2019, when you press the Enter key while typing in a text box, what happens?

A
The text is deleted.
B
The text box is automatically resized.
C
The cursor moves to the next line within the same text box.
D
The text is entered into a new slide.
Question 2194
Arithmetic

If 2 is added to each even digit and 3 is subtracted from each odd digit in the number 596432, what will be the sum of the greatest and smallest digits in the new number thus formed?

A
8
B
12
C
6
D
10
Question 2195
Arithmetic

What is the average of all the natural numbers from 1 to 17?

A
9
B
9.5
C
8.5
D
10
Question 2196
Arithmetic

The marked price of a bookshelf is ₹397, which is 28% above the cost price. If the profit percentage is 3%. Find the discount percentage (rounded off to two decimal places).

A
21.31%
B
16.89%
C
18.13%
D
19.53%
Question 2197
Arithmetic

During which phase and year was a steady population growth rate observed in India?

A
Phase I: 1891-1921
B
Phase II: 1921-1951
C
Phase III: 1951-1981
D
Phase IV: 1981-2011
Question 2198
Arithmetic

If 'A' stands for '$\div$', 'B' stands for '$\times$', 'C' stands for '+' and 'D' stands for '-', then what will come in place of question mark (?) in the following equation? 43 D 15 C 7 B 9 D (28 A 2) = ?

A
83
B
92
C
64
D
77
Question 2199
Arithmetic

Which Mauryan ruler sent Buddhist missionaries to foreign countries?

A
Samprati
B
Ashoka
C
Bindusara
D
Chandragupta II
Question 2200
Arithmetic

Seven people, I, J, K, L, O, P and Q are sitting in a row, facing north. No one sits to the left of J. Only four people sit between J and K. Only three people sit to the right of O. I sits to the immediate left of L. P is not an immediate neighbour of O. Who sits at the rightmost end of the line?

A
P
B
J
C
I
D
L