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RRB JE 2019:Maths Revision Quiz-8

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Question 1

How many number can divide 16500?

Question 2

Find the ratio of LCM and HCF of 56 and 84?

Question 3

In a class number of boys is 30% more than that of girls. If average age of boys is 15 years and average age of whole class is 14 years then what is average age of girls?

Question 4

P, Q and R invested Rs. 35000 in a business. P invested Rs. 4000 less than Q and R invested Rs. 3000 more than Q. The total profit was Rs. 14000. Find the share of P.

Question 5

A 15% discount on marked price results in a value equal to a 10% discount on the selling price that earns the Retailer a profit of 15%. Express cost price as an approximate percentage of marked price.

Question 6

Oil equal to 20% of the weight of ground nut is extracted in a mill. The matter left after extraction is sold as cattle feed at the rate of Rs 12.5/kg. The groundnuts are bought at Rs 20/kg. The processing cost is Rs 5/kg. At what price (Rs per kg) should the oil be sold to earn 20% profit on total costs (Total cost =Cost of groundnuts and Processing costs)?

Question 7

A person goes from A to B with a uniform speed of 8 km/h and comes back with a uniform speed of 12 km/h in 10 hrs, then what is the distance between A and B?

Question 8

Sandeep deposits 10000 amount at 10% annual rate of interest for three year. What is difference between compound interest and simple interest of this term?

Question 9

A sum of money amounts to Rs.9800 after 5 years and Rs.12005 after 8 years at the same rate of simple interest. The rate of interest per annum is:

Question 10

Two men can build a wall in 15hr and 20hr respectively while working together they place 280 bricks per hour less and completed the wall in 12 hr. Then find out the number of bricks in the wall.

Question 11

In a trapezium, one diagonal divides the other in the ratio 2:9. If the length of the larger of the two parallel sides is 45 cm, then what is the length (in cm) of the other parallel side?

Question 12

If sin -240 ° = x, then the value of x is

Question 13

What will be the median value of the numbers 5, 7, 10, 20, 16, 12,15

Question 14

Amit's house is to the east of Ankit's house. Suman's house is to the south of Amit's house. Raman's house is to the east of Amit's house. In which direction, is Raman's house with respect to Suman's house?

Question 15

AB is chord of length of

and ∠ACB = 45 ° where ‘c’ is a point on circle. Find area of circle.

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