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RRB JE 27th May 2019 Shift-1

RRB JE 27th May 2019 Shift-1

Instructions

For the following questions answer them individually

RRB JE 27th May 2019 Shift-1 - Question 21


P and Q can do a work in 12 days and 16 days respectively. P started the work alone. After how many days should Q join P, so that the work is finished in 9 days?

RRB JE 27th May 2019 Shift-1 - Question 22


Which of these numbers is a multiple of 24?

RRB JE 27th May 2019 Shift-1 - Question 23


In a certain code language, 256 means 'you are good', 637 means 'we are bad', 358 means 'good and bad'. Find the code for 'and'.

RRB JE 27th May 2019 Shift-1 - Question 24


P and Q can complete a job in 12 days and 16 days respectively. They work together for 4 days. What portion of work is left for completion?

RRB JE 27th May 2019 Shift-1 - Question 25


During a chemical reaction, atomic number _________.

RRB JE 27th May 2019 Shift-1 - Question 26


Find the ODD fraction.
$$\frac{18}{72}, \frac{24}{96}, \frac{51}{204}, \frac{108}{432}, \frac{18}{90}$$

RRB JE 27th May 2019 Shift-1 - Question 27


Arun went to a nearby city at a speed of 25 km/h and returned at 20 km/h. If the total time for the trip was 1 hour 48 minutes, what is the distance of his place from the city?

RRB JE 27th May 2019 Shift-1 - Question 28


Three numbers in the ratio 3 : 4 : 5 have the LCM 2400. What is the HCF?

RRB JE 27th May 2019 Shift-1 - Question 29


Asbestos is a mineral fibre that can pollute air or water and cause-

RRB JE 27th May 2019 Shift-1 - Question 30


What type of lines are represented by the equations $$6x - 3y + 10 = 0$$ and $$2x - y + 9 = 0$$ ?

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