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RRB ALP & Technician Mock Test (English) - 4 - Railways MCQ


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30 Questions MCQ Test - RRB ALP & Technician Mock Test (English) - 4

RRB ALP & Technician Mock Test (English) - 4 for Railways 2024 is part of Railways preparation. The RRB ALP & Technician Mock Test (English) - 4 questions and answers have been prepared according to the Railways exam syllabus.The RRB ALP & Technician Mock Test (English) - 4 MCQs are made for Railways 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for RRB ALP & Technician Mock Test (English) - 4 below.
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RRB ALP & Technician Mock Test (English) - 4 - Question 1

Which of the following correctly represents the molecular formula of washing soda?

RRB ALP & Technician Mock Test (English) - 4 - Question 2

The ratio between the present ages of A and B is 4:5. If the difference between their present ages is 8 yrs, what is the sum of their present ages?

Detailed Solution for RRB ALP & Technician Mock Test (English) - 4 - Question 2

The ratio between the present ages of A and B is 4:5.
A/B = 4/5 ⇒ 5A = 4B ⇒ 5A - 4B = 0 .....(1)
If the difference between their present ages is 8 yrs
A - B = 8 .....(2)
multiplying 5 both sides in equation(2)
⇒ 5(A - B) = 40
⇒ 5A - 5B = 40
Subtracting equation (1) from equation (2) we get
B = 40
5A = 4B
⇒ 5A = 4 x 40 = 160
⇒ A = 160/5 = 32
Sum of present ages = 40 + 32 = 72

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RRB ALP & Technician Mock Test (English) - 4 - Question 3

Find the same relationship among the four alternative numbers given under it.
8 : 81 : : 64 : ?

RRB ALP & Technician Mock Test (English) - 4 - Question 4
Animals that are viviparous and nourish their young ones with milk are :
RRB ALP & Technician Mock Test (English) - 4 - Question 5

The minute hand of clock is √21 cm long. The area described by a minute hand on the face of the clock between 7 am and 7.05 am is

Detailed Solution for RRB ALP & Technician Mock Test (English) - 4 - Question 5

Given that length of minute hand of clock is √21 cm
Angle described by the minute hand in 60 minutes = 360o
Angle described by the minute hand in 5 minutes = 360/60 x 5 = 30o

We know that Area of sector = θ/360 x πr2
= 30/360 x 22/7 x √21 x √21
= 11/2 = 5.5 cm2

RRB ALP & Technician Mock Test (English) - 4 - Question 6
Today is 1st April. The day of the week is Wednesday. This is a leap year. The day of the week on this day after 3 years will be
Detailed Solution for RRB ALP & Technician Mock Test (English) - 4 - Question 6
This year is a leap year so next three years will be ordinary years. Hence, 3 odd days.
RRB ALP & Technician Mock Test (English) - 4 - Question 7
Find the correct combination
Renuka's mother is the only daughter of Mini's husband related to Renuka ?
RRB ALP & Technician Mock Test (English) - 4 - Question 8
An unsaturated hydrocarbon :
RRB ALP & Technician Mock Test (English) - 4 - Question 9
'Palade particles 'is another name of which of the following cell organelles?
RRB ALP & Technician Mock Test (English) - 4 - Question 10
Which of the following is not a combination reaction?
RRB ALP & Technician Mock Test (English) - 4 - Question 11
Choose the word which is least like the other words in the group .
RRB ALP & Technician Mock Test (English) - 4 - Question 12
Choose the word which is least like the other words in the group .
RRB ALP & Technician Mock Test (English) - 4 - Question 13
If REASON is coded as 5 and BELIEVED as 7, what is the code number for GOVERNMENT ?
RRB ALP & Technician Mock Test (English) - 4 - Question 14
If in a code language, COULD is written as BNTKC and MARGIN is written as LZQFHM, how will MOULDING be written in that code ?
RRB ALP & Technician Mock Test (English) - 4 - Question 15
Complete the analogous pair.
Voter : 18 years :: Lok Sabha Member : ?
RRB ALP & Technician Mock Test (English) - 4 - Question 16

A sum of moeny doubles itself in 10 years at simple interest. What is the rate of interest ?

Detailed Solution for RRB ALP & Technician Mock Test (English) - 4 - Question 16

Let sum of money be x
Then SI = x
⇒ SI = P x R x T/100
⇒ R = SI x 100/P x 10 = 10%

RRB ALP & Technician Mock Test (English) - 4 - Question 17
The ‘AC-21’ law passed by the US Congress governs
RRB ALP & Technician Mock Test (English) - 4 - Question 18
The Dodd-Frank Act passed by the US Congress in 2010 has a section that declares certain minerals as ‘conflict minerals’. Which one of the following minerals is NOT one among them?
RRB ALP & Technician Mock Test (English) - 4 - Question 19
The argument put forth by the tobacco industry against the use of 85 per cent packaging space on tobacco products for pictorial warnings is that
RRB ALP & Technician Mock Test (English) - 4 - Question 20
Noted educational administrator Satish Chandra passed away recently. He wrote which subject’s NCERT’s textbooks in 1970s?
RRB ALP & Technician Mock Test (English) - 4 - Question 21
Where did the 5th India-Sri Lanka joint training exercise “Mitra Shakti 2017” conducted in October 2017?
RRB ALP & Technician Mock Test (English) - 4 - Question 22
What was the theme of the 2017 International Migrants Day?
RRB ALP & Technician Mock Test (English) - 4 - Question 23
Going towards north a Police-Inspector takes a right turn and goes 5 kms straight. He then turns right again and goes 8 km straight and finally he takes a left turn to reach his office. In which direction is his office from the starting point?
Detailed Solution for RRB ALP & Technician Mock Test (English) - 4 - Question 23
The route of the Police Inspector is as given below:
RRB ALP & Technician Mock Test (English) - 4 - Question 24
According to the latest census conducted by the Reserve Bank of India (RBI), which country emerged as the largest source of FDI in India in 2016-17?
RRB ALP & Technician Mock Test (English) - 4 - Question 25
The device used for measuring potential difference is known as
RRB ALP & Technician Mock Test (English) - 4 - Question 26
What does 'come' represent in a code language ?
I. 'pit na tac' means 'come and go' in that code language.
II. 'ja ta da' means 'you are good' in that code language.
III. 'na da rac' means 'you can come' in that code language.
The question given above has a problem and three statements giving certain information. you have to decide if the information given in the statements is sufficient for answering the problem. Indicate your answer as
Detailed Solution for RRB ALP & Technician Mock Test (English) - 4 - Question 26
RRB ALP & Technician Mock Test (English) - 4 - Question 27

If 71 + x + 71 − x = 50, then x =

Detailed Solution for RRB ALP & Technician Mock Test (English) - 4 - Question 27

7(7x) + 7/7x  = 50

Let 7x  = y

RRB ALP & Technician Mock Test (English) - 4 - Question 28
If x = r sin θ cos φ, y = r sin θ sin φ, z = r cos θ then x2 + y2 + z2 =
RRB ALP & Technician Mock Test (English) - 4 - Question 29

RRB ALP & Technician Mock Test (English) - 4 - Question 30
There are 36 students in a class. If two-third of them are boys and three-fourth of the boys are under 6 feet tall how many boys in the class are under six feet tall?
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