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Miscellaneous Quiz | RRB NTPC

Question 1

Rajiv walked from A to B, B to C and C to D respectively at the speed of 5 km/hr, 4 km/hr and 6 km/hr. If the distance between A to B, B to C and C to D are equal and total time taken by the Rajiv From A to D is 22.2 minutes, the find each of distance (in m) travelled by Rajiv.

Question 2

A and B together can complete the piece of work in 15 days. They started working together but after 7 days, A left the work and the remaining work was completed by B in 12 days. In how many days A alone can complete the work?  

Question 3

In the vessel milk and water are in the ratio 5 : 3. If the present quantity of mixture in the vessel is 4 litres, then what is the quantity of water (in litres) added in the vessel to make the ratio of milk and water 1 : 1?

Question 4

The average of 17 observations is 15. One more observation is added and the average decreases by 1.5 units. What is the value of observation that is added?

Question 5

What will be the simple interest on ₹ 5000 between 1st May and 31st December at the rate of 9% per annum?

Question 6

Find the largest 3-digit number that is exactly divisible by 16, 20 and 24.

Question 7

Question 8

If tan 7θ tan 8θ = 1, then find the value of sec 5θ + cosec 10θ.

Question 9

The ratio of angles of a triangle is 4 : 7 : 9. What is the average of smallest and largest?

Question 10

The curved surface area of a right circular cylinder is 360π sq. cm and radius of its base is 15 cm. what is the volume (in cm3) of the cylinder?

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