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RRB JE 2019:Maths Revision Quiz-7

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Question 1

A cat is chasing a mouse. The cat moves towards north for 25m, takes a right turn and move 100m, turns towards the south and moves 25m further. Finally, it turns left and moves 55m. What is the distance between the initial and the final position of the cat?

Question 2

In the given figure, θ is the centre of the circle and ∠AOB = 75 °, then ∠AEB will be ?

Question 3

A swimmer swims 1 km downstream in 5 minutes and 1 km upstream in 12 minutes. What is the speed of current?

Question 4

Train A takes 1 hour more than train B to travel a distance of 720 km. Due to engine trouble speed of train B falls by one-third, so it takes 3 hours more than Train A to complete the same journey? What is the speed of Train A (in km/hr)?

Question 5

Find the remainder if (6458201)⁵⁶³⁴²¹ is divided by 250.

Question 6

If the product of two numbers is 2160 and HCF is 6, then the ratio of HCF & LCM is

Question 7

The average age of A, B and C is the same as the average age of B, C and D two years ago. What is the difference between the ages of A and D?

Question 8

Sanjay and Raju started a business and invested Rs. 20000 and Rs. 25000 respectively. After 4 months Raju left and Naresh joined by investing Rs. 15000. At the end of the year there was a profit of Rs. 4600. What is the share of Naresh?

Question 9

Riya left home for school. She moved 5 km in the east direction, then she turned towards south-east to move 10 km, again she turned towards north-east to move for another 10 km. From there, she finally moved 5 km towards east to reach her school. How far is she from her home?

Question 10

Speed of boat in still water is 4 times to speed of current. If a person covers 60 km in 10 hrs in upstream then what is speed of boat in still water?

Question 11

Length of two trains are 150 m and 210 m respectively. Their speeds are in the ratio 4 : 5 and they are moving in opposite direction. If they cross each other in 30 sec then what is difference between their speeds?

Question 12

(27⁸ - 6561) is not divisible by

Question 13

(The LCM of 12, 15 and 27) ÷ (HCF of 12, 15, 27)

Question 14

A person sells

of his stock at Rs 1200 profit.

of total stock at Rs 1500 profit and remaining at Rs 1600 profit then what is average profit on each item?

Question 15

‘A’ and ‘B’ are partners in starting a business. A invests capital equalling 5 times the capital invested by B, but only for half the time for which B has invested. B invested for 1 year, and the total profit made by the business after 1 year was Rs.70,000. What is A’s share of profit?

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