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# RRB NTPC Mathematics Quiz : 20th November

Q1. Find the smallest 6 digit number which is exactly divisible by 1331.
(a) 101156
(b) 102576
(c) 101424
(d) 101455
Q2. A number is divided by 76, we get 69 as remainder. On dividing the same number by 19, what will be the remainder?
(a) 9
(b) 7
(c) 11
(d) None of these

Q5. If the inradius of the equilateral triangle is 17.53 cm then what is the value of circumradius (in cm) of the triangle?
(a) 25.18
(b) 35.06
(c) 56.12
(d) 36.53

Q7. What is the value of 69% of 8900?
(a) 6853
(b) 6141
(c) 5631
(d) 5841
Q8. Rs 11100 is divided among P, Q and R in the ratio of 8: 12: 17. What is the share (in Rs) of R?
(a) 6800
(b) 5100
(c) 7800
(d) 3400
Q9. A mixture of 80 kg of cement and gravel contains 25% of gravel. How many kgs of the gravel must be added to make the gravel content 47% in the new mixture?
(a) 34.5
(b) 29.2
(c) 23.2
(d) 33.2
Q10. The average of 7 numbers is 48. If the average of the first three numbers is 37 and that of the last three numbers is 51, then what is the fourth number?
(a) 72
(b) 45
(c) 57
(d) 59

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