Mathematics Quiz For RRB NTPC : 30 th January 2020 For Number System

Q1. 1, 4, 6, 5, 11, 6 . . . . . . Find the sum first 100 terms?
(a) 7600
(b) 7800
(c) 7900
(d) 8000

Q2. 1 – 2 – 3 + 2 – 3 – 4 + 3 – 4 – 5 + . . . . . . Find the sum of first 99 terms?
(a) -660
(b) -690
(c) -695
(d)-687

Q3. Find the sum of all 2 digits no. which when divided by 9, that leaves a remainder 3?
(a) 5655
(b) 585
(c) 525
(d) 590

Q4. A rectangular courtyard 3.78 metres long and 5.25 metres wide is to be paved exactly with square tiles, all of the same size. What is the largest size of the tile which could be used for the purpose?
(a) 14 cm
(b) 21 cm
(c) 42 cm
(d) None of these

Q5. The greatest number which when subtracted from 5834, gives a number exactly divisible by each of 20, 28, 32 and 35 is
(a) 1120
(b) 4714
(c) 5200
(d) 5600

Q6. A fraction becomes 1/6 when 4 is subtracted from its numerator and 1 is added to its denominator. If 2 and 1 are respectively added to its numerator and the denominator, it becomes 1/3. Then, the LCM of the numerator and denominator of the fraction, must be
(a) 14
(b) 350
(c) 5
(d) 70

Q7. is equal to?

Q8. The value of is?

Q9. If =1, then the value of x is?

Q10. Evaluate

Solutions:

Profit & Loss 2 | Maths by Ajay Sir | SSC CGL | SSC CHSL | NTPC | Super Educator

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