EASY
RRB JE CBT 1
IMPORTANT
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The median of the numbers 3, 1, 1, 5, 2 and 7 is:

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Important Questions on Practice Set

EASY
RRB JE CBT 1
IMPORTANT
Railway Recruitment Board Junior Engineer (Stage I CBT)>Chapter 1 - Practice Set>PRACTICE SET-12>Q 16
Which of the following is the prime number series from 1 to 20?
EASY
RRB JE CBT 1
IMPORTANT
Railway Recruitment Board Junior Engineer (Stage I CBT)>Chapter 1 - Practice Set>PRACTICE SET-12>Q 17
In which of the following activities is work NOT done?
EASY
RRB JE CBT 1
IMPORTANT
Railway Recruitment Board Junior Engineer (Stage I CBT)>Chapter 1 - Practice Set>PRACTICE SET-12>Q 18
Which of the following is used in making perfumes as well as flavoring agents?
EASY
RRB JE CBT 1
IMPORTANT
Railway Recruitment Board Junior Engineer (Stage I CBT)>Chapter 1 - Practice Set>PRACTICE SET-12>Q 19
Common salt (NaCl) is made up of " _____".
EASY
RRB JE CBT 1
IMPORTANT
Railway Recruitment Board Junior Engineer (Stage I CBT)>Chapter 1 - Practice Set>PRACTICE SET-12>Q 21

Select the option that correctly fits in the blank space in the given figure.

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MEDIUM
RRB JE CBT 1
IMPORTANT
Railway Recruitment Board Junior Engineer (Stage I CBT)>Chapter 1 - Practice Set>PRACTICE SET-12>Q 22
A number was divided into the ratio 3:2. When 8 was added to each of the numbers the ratio changed to 7:5. The greater of the two numbers was:
EASY
RRB JE CBT 1
IMPORTANT
Railway Recruitment Board Junior Engineer (Stage I CBT)>Chapter 1 - Practice Set>PRACTICE SET-12>Q 23

India implemented the GST (Goods and Services Tax) from which month of 2017?

MEDIUM
RRB JE CBT 1
IMPORTANT
Railway Recruitment Board Junior Engineer (Stage I CBT)>Chapter 1 - Practice Set>PRACTICE SET-12>Q 25
The mean score in a test of the 12 boys in a class was 16 while the overall mean of the 30 students in the class was 18.1. What was the mean score of the girls?