Mathematics Quiz For RRB NTPC : 29th November


Directions (2 – 5): The bar graph shows the production of table fans in a factory during one week. Study the bar graph and answer the question.

2. The maximum production exceeds the minimum production by:
(a) 400
(b) 420
(c) 500
(d) 540

3. The average production of table fan in that week is:
(a) 370
(b) 280
(c) 300
(d) 250

4. Ratio of the total production of table fans in the factory from Monday to Wednesday to that from Thursday to Saturday is:
(a) 19 : 26
(b) 26 : 19
(c) 29 : 16
(d) 16 : 29

5. The average production of table fans on Monday & Tuesdays exceeds the average production of table fans during the week by:
(a) 150 fans
(b) 100 fans
(c) 140 fans
a(d) 200 fans

Q6. The unit digit in 3*38*537*1256 is
(1) 4
(2) 2
(3) 6
(4) 8

Q7. The third proportional of 12 and 18 is
(1) 3
(2) 6
(3) 27
(4) 144

Q8. If Rs.126.5 is divided among A ,B,and C in the Ratio of 2:5:4 ,the share of B exceeds that of A by
(a) Rs.36.50
(b) Rs.35.50
(c) Rs.34.50
(d) Rs.33.50

Q9.If the sum and difference of two numbers are 20 and 8 respectively, then the difference of their squares is:
(1) 12
(2) 28
(3) 80
(4) 160

Q10.Two numbers are in the ratio 2 : 3. If 2 is subtracted from the first and 2 is added to the second, the ratio becomes 1 : 2. The sum of the numbers is :
(1) 30
(2) 28
(3) 24
(4) 10

Solutions:

 

 

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