RRB-NTPC 2021 Mathematics

Practice subject-wise previous year questions

Question 2426
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 conclusion(s) logically follow(s) from the statements. Statements: All lions are tigers. Some tigers are leopard. No leopard is giraffe. Conclusions: (I) Some leopards are lions. (II) Some giraffe can be tigers.

A
Both conclusions (I) and (II) follow
B
Only conclusion (I) follows
C
Either conclusion (I) or conclusion (II) follows
D
Only conclusion (II) follows
Question 2427
Arithmetic

Amit bought 51 books at ₹1,120 per book from one shop and 49 books at ₹900 per book from another. What is the average price (in ₹) he paid per book?

A
1,022.2
B
1,012.2
C
1,027.2
D
1,002.2
Question 2428
Arithmetic

Each of P, Q, R, S, T, U and V has an exam on a different day of a week starting from Monday and ending on Sunday of the same week. V has an exam on Thursday. Exactly 4 people have their exams between U and Q, neither of whom has an exam on Sunday. T has an exam immediately before S. R does not have an exam on Friday. U does not have an exam after S. How many people have exams after Q?

A
3
B
1
C
4
D
2
Question 2429
Arithmetic

The cost of 3 pens and 12 notebooks is ₹195. The cost of 7 notebooks exceeds the cost of 4 pens by ₹39. What is the cost of 12 pens and 6 notebooks?

A
₹237
B
₹229
C
₹234
D
₹236
Question 2430
Arithmetic

This question is based on the five, three-digit numbers given below. (Left) 190 735 494 761 781 (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 the second digit of the highest number is subtracted from the second digit of the lowest number?

A
0
B
4
C
2
D
1
Question 2431
Arithmetic

The Eastern Peripheral Expressway is built to decongest traffic in ______.

A
Delhi
B
Chennai
C
Mumbai
D
Bengaluru
Question 2432
Arithmetic

Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete? SM13 QK25 OI37 MG49 ?

A
KF62
B
KE62
C
KE61
D
KF61
Question 2433
Arithmetic

According to the Ministry of Tribal Affairs, how many Scheduled Tribes are notified under Article 342 of the Constitution of India as of December 2022?

A
Over 430
B
Over 730
C
Over 530
D
Over 630
Question 2434
Arithmetic

Which of the following materials has been mainly used for building the Jahangiri Mahal in Agra Fort?

A
Ceramic
B
White marble
C
Red sandstone
D
Concrete
Question 2435
Arithmetic

During the third leg of Navika Sagar Parikrama II, which significant milestone did INSV Tarini achieve in January 2021?

A
Docked at Port Stanley for the first time
B
Crossed Point Nemo, the Oceanic Pole of Inaccessibility
C
Crossed the International Date Line
D
Completed a full circumnavigation of Antarctica
Question 2436
Arithmetic

Dholavira site of Indus Valley Civilization is best known for which of the following practices?

A
Making of carts
B
Rock-cut architecture
C
Water conservation system
D
Use of iron implements
Question 2437
Arithmetic

K, M, L, N, O and V live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it, number 2 and so on, till the topmost floor is numbered 6. Only one person lives below K. Only three people live between L and K. N lives on a floor below K. O lives on an even-numbered floor. M lives on an odd-numbered floor but not on floor number 5. How many people live between V and K?

A
Two
B
One
C
Three
D
Four
Question 2438
Arithmetic

Each of P, Q, R, S, T, U and V has an exam on a different day of a week starting from Monday and ending on Sunday of the same week. U has an exam on Saturday. Only 4 people have an exam between S and T, neither of whom has an exam on Monday. P has an exam immediately after R, and V has an exam immediately before R. T has an exam after P. How many people have an exam after S?

A
5
B
2
C
3
D
4
Question 2439
Arithmetic

Who among the following led the Vidarbha team to victory in the Ranji Trophy 2024-25?

A
Atharva Taide
B
Faiz Fazal
C
Shrikant Wagh
D
Akshay Wadkar
Question 2440
Arithmetic

If you want your audience to NOT see your notes in the MS PowerPoint 365 slides, which view should you use during slide show?

A
Reading View
B
Slide Show View
C
Presenter View
D
Outline View
Question 2441
Arithmetic

In a certain code language, 'CALM' is coded as '2468' and 'LIVE' is coded as '8537'. What is the code for 'L' in the given language?

A
6
B
8
C
7
D
3
Question 2442
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 conclusion(s) logically follow(s) from the statements. Statements: All rabbits are squirrel. Some squirrels are rats. All rats are mammals. Conclusions: (I) Some mammals are squirrel. (II) Some rats are rabbits.

A
Only conclusion (II) follows
B
Both conclusions (I) and (II) follow
C
Only conclusion (I) follows
D
Neither conclusion (I) nor conclusion (II) follows
Question 2443
Arithmetic

A retailer allows a 22% discount on the marked price. What should be the marked price (in ₹) of an item whose cost price is ₹780, in order to make a profit of 26%?

A
1,257
B
1,258
C
1,260
D
1,261
Question 2444
Arithmetic

Kabir, Jasbir, Urmila, Richa, Prem, Deep and Sonika are sitting around a circular table, facing the centre. Sonika sits third to the right of Prem. Kabir sits to the immediate right of Deep. Jasbir sits second to the left of Sonika. Urmila sits third to the right of Jasbir. Who sits second to the left of Urmila?

A
Richa
B
Kabir
C
Jasbir
D
Prem
Question 2445
Arithmetic

If 'A' stands for '÷', 'B' stands for 'x', 'C' stands for '+' and 'D' stands for '-', then what will come in place of the question mark (?) in the following equation? 103 C (64 A8) B 2 C 9 B 3 D 33 = ?

A
129
B
113
C
137
D
91
Question 2446
Arithmetic

Which Article of the Constitution of India permits minorities based on language to establish educational institutes?

A
Article 29
B
Article 28
C
Article 30
D
Article 32
Question 2447
Arithmetic

Prince ranked 24th from the top and 39th from the bottom in his class. How many students are there in his class?

A
61
B
62
C
64
D
63
Question 2448
Arithmetic

Select the pair that follows the same pattern as that followed by the two pairs given below. Both pairs follow the same pattern. HKN: LOR DJO: HNS

A
AFM: EJQ
B
ATB: CVE
C
GJM: IKO
D
WXC: YGP
Question 2449
Arithmetic

The sum of five numbers is 655. The average of the first two numbers is 77 and the third number is 102. Find the average of the remaining two numbers.

A
199.5
B
200.5
C
179
D
180
Question 2450
Arithmetic

A vertical stick 14 m long, casts a shadow 5 m long on the ground. At the same time, a tower casts a shadow of 44.5 m long on the ground. The height of the tower is ______.

A
124.6 m
B
128.8 m
C
130.3 m
D
122.2 m