RRB-NTPC 2016 Mathematics

Practice subject-wise previous year questions

Question 1176
Arithmetic

In developed countries, which of the following sectors has become the most important in terms of total production?

A
Tertiary Activity
B
Primary Activity
C
Quinary Activity
D
Secondary Activity
Question 1177
Arithmetic

A boat travels 120 km downstream in 6 hours and 120 km upstream in 10 hours. The speed of the current is 4 km/hr. What is the speed of the boat in still water?

A
14 km/hr
B
8 km/hr
C
16 km/hr
D
10 km/hr
Question 1178
Arithmetic

Kinshuk starts from Point D and walks 5 km towards South. She turns left and walks 9 km. She then turns left and walks 5 km. She finally turns right and walks 2 km to reach Point E.  How far and in which direction is Point E from Point D? (All turns are 90-degree turns only, unless specified.)

A
9 km, East
B
12 km, West
C
11 km, East
D
10 km, East
Question 1179
Arithmetic

Two parallel lines L1 and L2 are cut by a transversal. If one of the alternate interior angles is $65^\circ$, what is the measure of the corresponding alternate interior angle?

A
$180^\circ$
B
$65^\circ$
C
$110^\circ$
D
$90^\circ$
Question 1180
Arithmetic

Which provisions were inserted into the Constitution by the 103rd Amendment Act, 2019, to enable reservation for Economically Weaker Sections (EWS)?

A
Articles 15(6) and 16(6)
B
Articles 15(2) and 16(2)
C
Articles 15(5) and 16(5)
D
Articles 15(4) and 16(4)
Question 1181
Arithmetic

Which country hosted the 68th Commonwealth Parliamentary Conference in October 2025?

A
Australia
B
Canada
C
Barbados
D
Ghana
Question 1182
Arithmetic

Two lines AB and CD are parallel. Let PQ be the transversal intersecting AB at M and CD at N. If $\angle MND = 47^\circ$, find $\angle AMN$.

A
$73^\circ$
B
$133^\circ$
C
$47^\circ$
D
$107^\circ$
Question 1183
Arithmetic

In which Indian state is the Cold Desert Biosphere Reserve, added to UNESCO’s World Network in 2025, located?

A
Uttarakhand adjoining the Nanda Devi Biosphere Zone
B
Jammu & Kashmir along the upper Indus valley basin
C
Sikkim near the Kangchenjunga Biosphere landscape
D
Himachal Pradesh in the Western Himalayan region
Question 1184
Arithmetic

Which of the following letter-number clusters will replace the question mark "?" in the given series to make it logically complete? MRA 17, QVE 20, UZI 23, YDM 26, ?

A
CGO 28
B
CHQ 29
C
CIS 29
D
DIR 30
Question 1185
Arithmetic

What should come in place of '?' in the given series? 65 63 60 55 48 ?

A
33
B
37
C
39
D
36
Question 1186
Arithmetic

What is the inflation target set by the Government of India under the Monetary Policy Committee framework until April 2016?

A
4% with a tolerance of ±2%
B
3% with a tolerance of ±1%
C
5% with a tolerance of ±2%
D
6% with no specified tolerance
Question 1187
Arithmetic

If 'A' stands for '÷', 'B' stands for '×', 'C' stands for '+' and 'D' stands for '−', then what will come in place of the question mark (?) in the following equation? 13 B 2 C 6 D 8 A 4 = ?

A
29
B
27
C
30
D
28
Question 1188
Arithmetic

A shopkeeper fixes the marked price of an item 100% above its cost price. What percentage of discount on marked price should be allowed to gain 88%?

A
4%
B
6%
C
5%
D
3%
Question 1189
Arithmetic

Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which letter-cluster pair 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
ZC−AD
B
OR−OU
C
DG−EH
D
RU−SV
Question 1190
Arithmetic

This question is based on the five, three-digit numbers given below. (Left) 442 405 297 384 316 (Right) (Example- 697 – First digit = 6, second digit = 9 and third digit = 7) NOTE - All operations to be done from left to right. What will be the resultant if third digit of the highest number is added to the second digit of lowest number ?

A
12
B
11
C
10
D
9
Question 1191
Arithmetic

Thermal pollution primarily results from which action related to industrial processes?

A
Addition of detergents
B
Release of heavy metals
C
Use of water as a coolant
D
Suspended solid accumulation
Question 1192
Arithmetic

What was the Diwan-i-Riyasat under Alauddin Khilji?

A
Department of religious endowments
B
Department of agriculture
C
Department controlling markets and prices
D
Department of royal correspondence
Question 1193
Arithmetic

Warli painting, a traditional tribal art form, originates from which Indian state?

A
Odisha
B
Rajasthan
C
Maharashtra
D
Madhya Pradesh
Question 1194
Arithmetic

Under the Constitution (101st Amendment) Act, 2016, who has the exclusive power to make laws on GST, where the supply of goods or services takes place in the course of interstate trade or commerce?

A
Parliament
B
NITI Ayog
C
President of India
D
State Legislatures
Question 1195
Arithmetic

The standard deviation of 7 consecutive integers with mean 0 is _______.

A
1
B
3
C
0
D
2
Question 1196
Arithmetic

22 is related to 60 following a certain logic. Following the same logic, 27 is related to 75. To which of the following is 33 related, following the same logic? (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding/ subtracting /multiplying to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

A
86
B
97
C
103
D
93
Question 1197
Arithmetic

20% of a number is more than 20% of 620 by 200. The number is:

A
1470
B
1670
C
1620
D
1720
Question 1198
Arithmetic

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 conclusions logically follow(s) from the statements. Statements: All hands are legs. Some hands are faces. Some faces are arms. Conclusions: (I) Some legs are faces. (II) Some hands are arms.

A
Both conclusions (I) and (II) follow
B
Only conclusion (I) follows
C
Only conclusion (II) follows
D
Neither conclusion (I) nor (II) follows
Question 1199
Arithmetic

Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete? DHG 42 CGF 38 BFE 34 AED 30 ?

A
ZDC 26
B
ZDI 25
C
ZEB 26
D
ZCB 25
Question 1200
Arithmetic

Seven people, A, B, C, D, E, F and G, are sitting in a row, facing north. Only two people sit to the left of C. Only three people sit between C and F. B sits second to the right of C. Only two people sit between B and D. E sits at some place to the right of G but at some place to the left of A. How many people sit to the left of D?

A
1
B
3
C
4
D
2