Mathematics Quiz For RRB NTPC : 6th January 2020

Q1. 40% of a number is equal to of another number. What is the ratio between the first number and second number respectively?
(a)3 : 2
(b)2 : 3
(c)3 : 4
(d) Cannot be determined

Q2. Division of the number 455 in the ratio of 4 : 3 will be :
(a) 190 and 160
(b) 260 and 195
(c) 320 and 260
(d) 400 and 300

Q3. The profit made on selling an item of cost price of Rs. 1,650 is Rs. 210. What is the selling price of that item?
(a)Rs. 1820
(b)Rs. 1860
(c)Rs. 1760
(d)Rs. 1920

Q4. Vandana sells an article for Rs. 3240 and earns a profit of 20%. What is the cost price of the article?
(a)Rs. 2,800
(b)Rs. 2,820
(c)Rs. 2,750
(d)Rs. 2,700

Q5. An amount of Rs. 45,000 become Rs. 77,400 on simple interest in eight years. What is the rate of interest p.c.p.a.?
(a) 9%
(b) 11%
(c) 8%
(d) 10.5%

Q6. What will be the compound interest on an amount of Rs. 5,000 for a period of 2 years at 8 p.c.p.a.?
(a)Rs. 832
(b)Rs. 400
(c)Rs. 823
(d)Rs. 416

Q7. 26 men can complete a piece of work in 17 days. How many more men must be hired to complete the work in 13 days?
(a) 9
(b) 8
(c) 6
(d) 18

Q8. A 210 meter long train crosses a platform in 120 seconds. What is the speed of train ?
(a) 2.5 m/sec.
(b) 3.5 m/sec.
(c) 10 m/sec.
(d) Cannot be determined

Q9. The ratio of the length and the breadth of a rectangular plot is 7 : 6 respectively. The perimeter of the plot is 208 meters. What is the area of the rectangular plot ?
(a) 2696 sq. mtr.
(b) 2688 sq. mtr.
(c) 2592 sq. mtr.
(d) 2538 sq. mtr.

Q10. The diameter of a circle is 7.7 cm. What is the circumference of the circle ?
(a) 26.4 cm
(b) 24.2 cm
(c) 28.4 cm
(d) 22.2 cm

Solutions:

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