Mathematics Quiz For RRB NTPC : 9th December

Q1. The S.I. is 7200 on 12 p.c.p.a. for 6 years on a sum. what is C.I. on 5 p.c.p.a. for 2 years
(a) 1020
(b) 1055
(c) 1050
(d) 1025

Q2. Find the approximate average of the following set of scores
1566, 2455, 1231, 2678, 1989, 3342, 2715
(a) 2590
(b) 2555
(c) 2268
(d) 2282

Q3. What per cent is 25 paise of Rs 100?
(a) 250%
(b) 25%
(c) 2.5%
(d) 0.25%

Q4. If 100 men can do 100 jobs in 100 days, then 1 man can do 1 job in
(a) 1 day
(b) 100 days
(c) 50 days
(d) 10 days

Q5. A motorist travels a distance of 10 km at a speed of 50 km/h in the onward journey and 60 km/h while returning. His average speed is

Q6. The mean of five numbers is 18. If one number is excluded, their mean is 16. The excluded number is
(a) 25
(b) 26
(c) 27
(d) 30

Q7. If after the payment of 3/4 of a loan, Rs. 500 still remain to pay, what is whole amount of the loan?
(a) Rs. 2000
(b) Rs. 2100
(c) Rs. 1700
(d) Rs. 1500

Q8. If 2/3 part of a number is greater than 3/5th of it by 4, what is the number?
(a) 30
(b) 40
(c) 60
(d) 20

Q9. A works twice as fast as B. If both of them can together finish a work in 12 days, B alone can do it in:
(a) 48 days
(b) 36 days
(c) 27 days
(d) 24 days

Q10. The next number of the sequence 2, 5, 10, 14, 18, 23, 26, 32,….. is:
(a) 33
(b) 34
(c) 36
(d) 37

Solutions:

 

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