RRB NTPC Stage I 2019 Mock 06 (English) - Railways MCQ

The cost price of 6 toys is equal to the selling price of 7 toys. The loss percent in the transaction is:

 Kishan, Atul and Chiru can alone do a piece of work in 12, 15 and 20 days respectively. How long will they take to finish it together?

The speed of three cars are in the ratio 3:7:1. The time taken by each of them to travel the same distance is in the ratio.

Arun lends 40% of his sum of money at 15% p.a. , 50% of rest at 10% p.a. and rest at 18% p.a. rate of interest. What would be the annual rate of interest if the interest is calculated on the whole sum?

 If the selling price is doubled, the profit triples. The initial profit percent is.

In measuring the side of a square an error of 20% in excess is made. The error percentage in the calculated area is.

A flask full of water weighs 18.9 kg. When the vessel is 3/5 full it weighs 9.9 kg. The weight of the empty vessel (in kg) is :

The digit in the unit place in  is

Arrange the following fractions in ascending order.

2/9 ,5/8, 3/7, 1/2

Ram sold an article at loss of 20%. If SP is increased by Rs 125, then there is a gain of 5%. The cost price is.

A teak tree was planted three years ago. The rate of growth is 30% per annum. If at present, the height of the tree is 1340 cm, what was it when the tree was planted? (Approx.)

a% of b is b% of what number?

If the ratio of areas of two squares is 9:4, the ratio of their perimeter is.

Gold is 7 times as heavy as water and copper is 3 time heavy. In what ratio must these metals be mixed so that mixture be 6 times as heavy as water.

The simple interest on a sum of money is 1/9 of the principal and the number of years is equal to the rate % p.a. . The rate % p.a. is.

A rectangular block of metal has dimensions 48 cm, 77 cm & 84 cm. The block has been melted into a sphere. The radius of the sphere

The radii of two cones are in the ratio 3 : 4 and their heights are in the ratio 8 : 3. Then the ratio of their volumes is

The angle of elevation of a tower from a distance 100 m from its foot is 60°. Find the distance of a car having angle of elevation of 30° from the tower?

At what rate per annum will Rs. 32000 yield a CI of Rs. 5044 in 9 months interest being compounded quarterly ?

The HR department of an MNC prepared a report. The pie chart from this report shows number of employees the MNC has in different countries. Study the diagram and answer the following questions.

The most number of employees are from which country?

The HR department of an MNC prepared a report. The pie chart from this report shows number of employees the MNC has in different countries. Study the diagram and answer the following questions.

What is the total number of employees of the MNC?

The HR department of an MNC prepared a report. The pie chart from this report shows number of employees the MNC has in different countries. Study the diagram and answer the following questions.

The measure of the central angle of the sector representing country F is ________ degrees.

The HR department of an MNC prepared a report. The pie chart from this report shows number of employees the MNC has in different countries. Study the diagram and answer the following questions.

​If the average monthly salary of the employees of this MNC is $6000 then what is the total of the salaries (in $ millions) paid to all the employees of this MNC?