Welcome to your RRB NTPC Set:-15
Date:- 30/10/2026
1. Find the missing (?) in the series 3, 7, 13, 21, 31, ?
2. Triangle PQR is such that PR=7.5 cm and triangle PQR is similar to triangle XYZ. if XY=18 and YZ=12 cm then find the ratio of PQ:QR
3. ........ is used in refrigeration.
4. ..... is not a constituent of tooth paste.
5. If VOTER = 41352, HEATER = 743654, TEASER = 645834, which number represents S?
6. An investor invested 1/2 of his capital at 5%, 1/4 at 10% and rest at 8%. If his income after 2 years is Rs. 2800, find the capital amount.
7. Which state has the second highest number of seats in the Lok Sabha?
8. As per tiger census of 2014, tiger population in India was estimated at
9. B is the brother of C, D is the sister of B. F is the sister of E who is the son of C. K is the husband of C. How is D related to F ?
10. If SMART = 31524, MARBLE = 428376 and EAT = 537. then STABLE =?
11. An assertion (A) and a reason (R) are given below.
Assertion (A): Perennial rivers mostly originate from the Himalayas.
Reason (R): The fountains in the Himalayas feed the rivers.
Choose the correct option.
12. Asymmetric Digital Subscriber Line (ADSL) is technology.
13. '.docx' file is created with
14. Rate of heat conduction in solids does not depend on
16. ...... was the theme for World Wetland Day in 2016.
17. Evaluate (35/2)% of 800gm — (45/2)% of 400gm
18. Two numbers are in the ratio 3:5. If each number is increased by 10, the ratio becomes 5:7. The smaller number is :
19. Who was appointed as the Defense Minister when the 16th Lok Sabha was formed in 2014?
20. Read the given statements carefully and answer the question.
Most people get their own cars to office. The number of vehicles on road is increasing day by day. It leads to traffic congestion and
adds to the ever-increasing air pollution issues. As a result, respiratory problems are on a rise. People should, as far as possible, take
public transport or do carpooling.
Which of the following situations better fits the above statement?
21. Rearrange the jumbled letters to make meaningful words and then select the one which is different.
22. If the rate of interest is 8% per annum and Rs. 10000 lent at the compound interest half yearly then calculate the equivalent simple rate of interest for the first year?
24. Pointing to a man. a woman said "he is the brother of the daughter of my husband's wife". What is the woman to the man?
25. 'Make in India Week' was launched in ........ from 13th to 18th February 2016.
26. Freezing point of water is
27. K and L are brother and sister. M is the father of K. N and O are brothers. L is the mother of O. How is K related to N?
29. 30 persons can finish a job in 20 days. After 6 days how many persons should leave the job so that work is completed in a total of 26 days?
30. 12 men finished 1/4 part of whole work in 6 days. Find the number of additional men required to complete the job in next 6 days.
31. The famous forbidden city is in
32. Ramesh purchased a memory card at a price of Rs. 625 including the sales tax. The rate of sales tax is 25%. If the seller has made a gain of 50%, then the cost price of the memory card is :
33. If '÷' means '+', '+' means '÷', and '-'means '×', then 25 ÷ 25 + 5 ÷ 2 - 15 =?
34. Which one is not generally used as a fruit?
35. The distance between the two poles of length 16 m and 9 m, is X m. If two angles of elevation of their respective top from the bottom of the other ate complementary to each other then the value X is
36. If TABLE = RYZJC, then CHAIR =
37. Find the value of 335 * 335 - 165 * 165?
38. The planet Pluto was discovered in the year...
39. ADGJ, CFIL, EHKN, ...................
40. Bird : Wings : : Fish : ?
41. If Chennai : Tamil Nadu, then .......... : Jharkhand
42. ........ was the first Geographical Indication (GI) tagged product in India.
43. Halley's comet is expected to return to the vicinity of earth in the year...
45. In 1955,........ was renamed as State Bank of India.
46. The shadow of a standing tower of height 25 the measure of X?
47. Taxonomy is basically related to
48. Two vessels contain milk and water in the ratio 2:3 and 7:3. Find the ratio in which the contents of the two vessels have to be mixed so that the ratio of milk and water in the new mixture is equal.
49. ......... does not belong to the twelve zodiac signs.
50. The process of optimizing fat content in milk is called
