Mathematics Quiz For RRB NTPC : 4th January 2020

Q1. What is the least number to be added to 1416 to make it a perfect square?
(a) 47
(b) 38
(c) 28
(d) 25

Q2. The product to two consecutive even numbers is 1088. What is the larger number?
(a) 38
(b) 32
(c) 36
(d) 34

Q3.
(a) 90
(b) 99
(c) 108
(d) 117

Q4. 986.23 + 7.952 + 8176.158 =?
(a) 9170.340
(b) 9169.230
(c) 9241.908
(d) 9170.762

Q5. Vishvesh sets an alarm in two different clocks. The first alarm rings after every 30 minutes and the second alarm rings after every 90 minutes. If they rang together at 11 p.m., when is the earliest they will ring together again?
(a) 12.30 a.m.
(b) 2.00 a.m.
(c) 1.30 a.m.
(d) 1.00 a.m.

Q6. If 40% of a number is 256, then what is 25% of that number?
(a) 260
(b) 150
(c) 160
(d) 210

Q7. Amit got 44 marks in Hindi, 55 marks in Science, 77 marks in Maths, 79 marks in Social Science and 76 marks in English. The maximum marks of each subject are 100. How much overall percentage of marks did he get?
(a) 66.2%
(b) 64.2%
(c) 72.2%
(d) 74.2%

Q8. The difference between 20% of a number and th of the same number is 2499. What is th of that number?
(a) 2156
(b) 1190
(c) 1090
(d) 1465

Q9. What will be the average of the followings set of scores?
59, 84, 44, 98, 30, 40, 58
(a) 62
(b) 59
(c) 75
(d) 52

Q10. The average of 5 consecutive odd numbers A, B, C, D and E is 47. What is the product of A and D?
(a) 2107
(b) 1935
(c) 2021
(d) 2193

Solutions:

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