28 Maths and Reasoning Questions asked in the RAILWAYS - RRB NTPC Exam 2016 :
1. Price of a commodity is reduced by 10%. To Bring it to the original price, what should be the increase in the new price?
2. What percent of a day is 3 hours?
3. In an examination, 65% students passed in Civics and 60% in History, 40% passed in both of these subjects. If 90 students failed in History and Civics both, then what is the total number of students?
4. A mixture of water and milk is 40 liters. There is 10% water in it. How much water should now be added in this mixture so that new mixture contains 20% water?
5. The length of a rectangle is increased by 40% and its breadth decreased by 30%. The change in the area of the rectangle is ?
6. After allowing a discount of 20% on marked price Kishor makes a profit of 12%. What percentage is the Marked Price above the Cost Price?
7. The HCF of two numbers is 24, which of the following can be its LCM?
8. For What value of x, if mode for the following data would be 52?
9. In an examination the mean of marks scored by a class of 40 students was calculated as 72.5 Later on it was discovered that marks of one student was wrongly taken as 48 instead of 84. Find the corrected mean?
10. If 43 × 56 = 10m, find m? 6
11. If 15% of x% = 1.2% fine x?: 8
12. . If 1 + 2 = 5, 3 + 4 = 25 what is 5 + 6? 61
13. If GEM = NJZ, What is KID = ? VRH
14. . Solve : a6 × a-4 ÷ a3 : 1/a
15. If 'TIRE' is written as 69185, 'SNOW' is written as 19141523, then 'RAIN' is written as? 181914
16. If P is the brother of the son of Q's son, how is P related
17. In a group of 10 members, if a person with 50kgs is replaced by another person. The average weight of the group is decreased by 1kgs. Then what is the weight of new person?
18. A train is travelling with the speed of 80 km/hr. How time it takes to train 100 km distance?
19. The distance between X and Y is 48 km. The speed of X is 7 km/hr and speed of Y is 9km/hr are walking opposite to each other. In how much time will they meet each other?
20. Rs.4800/- are divided among P,Q and R in such a way that the share of P is 5/11 of the combined share of Q and R. The share of Q is 3/13 of the combined share of R and P. Thus, R gets?
21. An amount at compound interest sums to Rs.17640/- in 2 years and to Rs.18522/- in 3 years at the same rate of interest. Find the rate percentage?
22. 1, 2, 6, 12, 36, 72, ?
23. A completes a work in 12 days and B complete the same work in 24 days. If both of them work together, then the number of days required to complete the work will be
24. Cosec2× cos2A
25. DABC, HEFG, ?, PMNO, TQRS
26. 1/x = 4 and 1/4 = 7 find x + y = ?
27. Guru's Mother is the only daughter of sachin's mother How is Guru related to sachin?
28. 4√18 + 7√32 - 2√50
1. Price of a commodity is reduced by 10%. To Bring it to the original price, what should be the increase in the new price?
2. What percent of a day is 3 hours?
3. In an examination, 65% students passed in Civics and 60% in History, 40% passed in both of these subjects. If 90 students failed in History and Civics both, then what is the total number of students?
4. A mixture of water and milk is 40 liters. There is 10% water in it. How much water should now be added in this mixture so that new mixture contains 20% water?
5. The length of a rectangle is increased by 40% and its breadth decreased by 30%. The change in the area of the rectangle is ?
6. After allowing a discount of 20% on marked price Kishor makes a profit of 12%. What percentage is the Marked Price above the Cost Price?
7. The HCF of two numbers is 24, which of the following can be its LCM?
8. For What value of x, if mode for the following data would be 52?
9. In an examination the mean of marks scored by a class of 40 students was calculated as 72.5 Later on it was discovered that marks of one student was wrongly taken as 48 instead of 84. Find the corrected mean?
10. If 43 × 56 = 10m, find m? 6
11. If 15% of x% = 1.2% fine x?: 8
12. . If 1 + 2 = 5, 3 + 4 = 25 what is 5 + 6? 61
13. If GEM = NJZ, What is KID = ? VRH
14. . Solve : a6 × a-4 ÷ a3 : 1/a
15. If 'TIRE' is written as 69185, 'SNOW' is written as 19141523, then 'RAIN' is written as? 181914
16. If P is the brother of the son of Q's son, how is P related
17. In a group of 10 members, if a person with 50kgs is replaced by another person. The average weight of the group is decreased by 1kgs. Then what is the weight of new person?
18. A train is travelling with the speed of 80 km/hr. How time it takes to train 100 km distance?
19. The distance between X and Y is 48 km. The speed of X is 7 km/hr and speed of Y is 9km/hr are walking opposite to each other. In how much time will they meet each other?
20. Rs.4800/- are divided among P,Q and R in such a way that the share of P is 5/11 of the combined share of Q and R. The share of Q is 3/13 of the combined share of R and P. Thus, R gets?
21. An amount at compound interest sums to Rs.17640/- in 2 years and to Rs.18522/- in 3 years at the same rate of interest. Find the rate percentage?
22. 1, 2, 6, 12, 36, 72, ?
23. A completes a work in 12 days and B complete the same work in 24 days. If both of them work together, then the number of days required to complete the work will be
24. Cosec2× cos2A
25. DABC, HEFG, ?, PMNO, TQRS
26. 1/x = 4 and 1/4 = 7 find x + y = ?
27. Guru's Mother is the only daughter of sachin's mother How is Guru related to sachin?
28. 4√18 + 7√32 - 2√50
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