Welcome to your RRB NTPC Set:-21
Date:- 30/10/2026
1. If the radius (r) of a circle is increased by 'x' units, what is the number of units by which the circumference of the circle is increased?
2. Objects float on water based on .........
3. Curd contains mainly ........... acid.
5. Which of the following is not true in regard to exchange rate of Indian Rupee?
7. Who is thought to have invented the thermo scope?
8. A man starts walking at 6.30a.m. and wants to cover a distance of 30km. His initial speed is 6 kmph and after covering three-fifth distance, he reduces his speed by 2 kmph. At what time will he complete his walk?
10. The age difference between M and R is the same as that between P and M. M is elder to P but younger to R If the sum of the ages of R and P is 66, how old is M?
11. What is the measure of the two equal angles of a right isosceles triangle?
12. In BRICS, which country is denoted by 'B'?
13. ............. is used in yellow lamp street lights.
14. There are 3 numbers. The 2nd number is 3 times the 1st . The 3rd is twice the 2nd. If their average is 70, find the smallest of the 3 numbers.
15. Which river used to be called the 'Sorrow of Bengal'?
16. Most of the .......... are formed by sand and silt deposited by rivers and sea waves.
18. Find the range of the data 9, 5, 9, 3, 4, 7, 8, 4, 8, 9, 5, 9.
20. Find the missing (?) in the series.
21. Mrinalini Sarabhai passed away recently. Who was she?
22. How much is one decalitre?
23. Salarjung Museum is located in
24. Xis the brother of Y. Z is the wife of Y. F is the father of X. E is son of Z. How is E related to F?
25. In a running race, if you overtake the last but one contestant, which position are you in?
26. What was the name of Maharana Pratap's horse?
27. M borrowed some money for 1 year at certain simple interest. But the interest rate was increased to 2% which amounted to Rs. 120. Find the principal amount.
28. Bollywood actress Priyanka Chopra won the Favourite Actress award at the People's Choice awards 2016, for her leading role in the American TV thriller series ..........
29. The cost price of 5 kg of wheat and 10 kg of sugar was at Rs. 70 and Rs. 80 per kg respectively. On selling, he gained 10% on wheat and 20% on sugar. What was the total sale price?
31. If LIGER is coded as GIRLE, then TEPAL will be coded as
32. Rearrange the jumbled letters to make a meaningful word and then select the one which is different.
33. ........ is known as a disease mostly caused by occupational health hazards.
34. Which one of the following names is associated with golf?
35. How many full member teams were in ICC Cricket World Cup T20 - 2016 other than the host country?
37. If A means ' - ', C means ' + ', B means ' ÷ ', E means ' × ' then the value of 6 C 78 B 3 A 4 E 6 = ?
38. If TEACHER: BOOKS, DOCTOR: ?
39. Rajaji National Park is in
41. Mohan is taller than Rohan but shorter than Farhan. Kannan is shorter than Mohan but taller than Rohan. Shankar is taller than Rohan and Farhan. Who is the tallest?
42. Name the first civilian president of Myanmar.
43. (0.2 × 0.2 ×0.2)(0.06 × 0.06 × 0.06) ÷ (0.12 × 0.12 × 0.12)
44. The maximum interval between two sessions of state assembly can be
45. The official language of Goa is
49. Statement followed by sonic conclusions are given below.
Statement: The search team believes that the plane debris recovered in 2016, near Mozambique was highly likely to be from ME
1370- Malaysian aircraft which disappeared after take-off in 2014.
Conclusions:
I. The debris found near Mozambique definitely belonged to MH370 aircraft.
II. The search team is mistaken about the findings.
Find which of the given conclusions logically follows from the given statements.
50. .......... is used in periscope.
