RRB-NTPC 2021 Mathematics

Practice subject-wise previous year questions

Question 2876
Arithmetic

In a row of 37 students facing north, Vishesh is 13 th from the right end. If Namrata is 10 th to the left of Vishesh, what is Namrata's position from the left end of the line?

A
11 th
B
12 th
C
15 th
D
14 th
Question 2877
Arithmetic

Which of the following letter-clusters should replace # and % so that the pattern and relationship followed between the letter-cluster pair on the left side of :: is the same as that on the right side of :: ? #: VTP :: KIE: %

A
# = QOK, % = PNJ
B
# = QNK, % = PUY
C
# = RTK, % = PKJ
D
# = LOY, % = PKJ
Question 2878
Arithmetic

What is the purpose of Print Preview in MS Excel 365?

A
To check how the spreadsheet will appear on paper and adjust layout/formatting
B
To delete unnecessary rows/columns
C
To edit cell formulas before printing
D
To convert the spreadsheet into a PDF
Question 2879
Arithmetic

What should come in place of the question mark (?) in the given series? 1512 1520 1530 1542 1556 ?

A
1572
B
1576
C
1574
D
1570
Question 2880
Arithmetic

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
YGIP
B
HPSY
C
AILR
D
NVYE
Question 2881
Arithmetic

The famous building 'Qutub Minar' has been built under which style of architecture?

A
Mughal Style
B
Mamulek Style
C
Sharqi Style
D
Seljuk Style
Question 2882
Arithmetic

Which of the following organisms has the smallest DNA length listed?

A
Human haploid cell
B
$\phi$ X174 phage
C
Escherichia coli
D
Bacteriophage $\lambda$
Question 2883
Arithmetic

In December 2024, which government project won the SKOCH Award for excellence in forest management?

A
Van Bandhu Kalyan Yojana
B
Green India Mission
C
Nagaland Forest Management Project
D
Social Forestry Schemes of Madhya Pradesh
Question 2884
Arithmetic

In the 2024 Jharkhand Assembly elections, how many seats were won by the winning party/coalition and what is the name of the party/coalition?

A
56 seats, JMM-led NDA alliance
B
56 seats, JMM-led alliance INDIA
C
45 seats, Bharatiya Janata Party (BJP)
D
50 seats, Indian National Congress (INC)
Question 2885
Arithmetic

The Western Coastal Plains are narrower and lie between which features?

A
Western Ghats and Arabian Sea
B
Himalayas and Indian Ocean
C
Vindhya Range and Arabian Sea
D
Eastern Ghats and Bay of Bengal
Question 2886
Arithmetic

Mr. GHI starts from Point A and drives 16 km towards the east. He then takes a right turn, drives 18 km, turns right and drives 26 km. He then takes a right turn and drives 26 km. He takes a final right turn, drives 10 km and stops at Point P. How far (shortest distance) and in which direction should he drive in order to reach Point A again? (All turns are 90-degree turns only unless specified)

A
8 km to the south
B
4 km to the west
C
6 km to the west
D
5 km to the south
Question 2887
Arithmetic

Which of the given letter-clusters should replace # and % so that the pattern and relationship followed between the letter-cluster pair on the left side of :: is the same as that on the right side of ::? #: GLO :: INQ : %

A
# = DFR, % = NPY
B
# = BGJ, % = NSV
C
# = BPU, % = MTG
D
# = EDG, % = MGV
Question 2888
Arithmetic

Five times the present age of Vashnavi is 18 years more than seven times the present age of Sooraj, and eight times the present age of Sooraj is 17 years less than five times the present age of Vashnavi. What is the sum of the present ages (in years) of Vashnavi and Sooraj?

A
6
B
10
C
9
D
4
Question 2889
Arithmetic

In the following triads, each group of letters is related to the subsequent one following a certain logic. Select from the given options, the one that follows the same logic. BACK - ABCK - BCKA MINO - IMNO - MNOI

A
RANK - ARNK - ANKR
B
CLIP - LCIP - PLIC
C
TEAR - ETAR - TARE
D
CAGE - CGAE - EGAC 
Question 2890
Arithmetic

The mean of data is 56, and its median is 76. The mode (using empirical relation) of the data is:

A
105
B
116
C
93
D
203
Question 2891
Arithmetic

Which of the following river basins supports the highest population concentration in India?

A
Narmada Basin
B
Brahmaputra Basin
C
Ganga Basin
D
Godavari Basin
Question 2892
Arithmetic

In the three-tier structure of the Panchayati Raj system in India, which body is elected at the grassroots level?

A
Block Samiti
B
Zila Parishad
C
Gram Panchayat
D
Panchayat Samiti
Question 2893
Arithmetic

A group of numbers and symbols is coded using letter codes as per the codes given below and the conditions that follow. Study the given codes and conditions and answer the question that follows. Note: If none of the conditions apply, then codes for the respective number/symbol are to be followed directly as given in the table. Number/symbol @ 4 2 + 8 - $\div$ 6 7 % 5 $ # & Code P V A R Z I E H L O J C B Q Conditions: If the first and the last elements are symbols, then the codes for these two (the first and the last element) are to be interchanged. If the third element is a prime number, then the third element is to be coded as $\gamma$. If the fifth element is a multiple of 4, then the fifth element is to be coded as $\beta$. What will be the code for the following group? 4 6$\div$%8

A
BHEOZ
B
VHEOZ
C
VHEO$\beta$
D
$\gamma$HYO$\beta$
Question 2894
Arithmetic

Ashish, Lalita and Pranav started a business in partnership, investing in the ratio of 21 : 9 : 20, respectively. At the end of the year, they earned a profit of ₹84,700, which is 28% of their total investment. How much did Lalita invest (in ₹)?

A
₹54,352
B
₹54,498
C
₹54,442
D
₹54,450
Question 2895
Arithmetic

Which Article of the Constitution of India provides a right to profess, practice and propagate religion?

A
Article 23
B
Article 24
C
Article 26
D
Article 25
Question 2896
Arithmetic

Which of the following is/are correct with respect to the outcomes of globalisation in the Indian economy? 1. The opening of the economy has led to a rapid decrease in foreign direct investment and foreign exchange reserves. 2. The post-1991 India witnessed a steep decline in its GDP on a continual basis for two decades. 3. The growth of GDP increased from 5.6% during 1980-91 to 8.2% during 2007-12.

A
Only 3
B
Only 2
C
Only 1 and 2
D
Only 1 and 3
Question 2897
Arithmetic

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
OSM
B
RVQ
C
UYT
D
JNI
Question 2898
Arithmetic

Which of the following is a major challenge facing the development of inland waterways in India?

A
Minimal environmental concerns
B
Lack of adequate terminal facilities
C
High levels of private investment
D
Well-established infrastructure
Question 2899
Arithmetic

A cistern can be filled with water by a pipe in 10 hours, and it can be emptied by a second pipe in 8 hours. If both the pipes are opened when the cistern is full, the time in which it will be emptied is:

A
45 hours
B
42 hours
C
44 hours
D
40 hours
Question 2900
Arithmetic

Who among the following wrote the book 'I am a Soldier's wife'?

A
Dr. Aishwarya Pandit
B
Geetika Lidder
C
Namita Gokhale
D
 Soumitra Chatterjee