PGVCL Junior Assistant Paper 20 Jan 2021 Shift I on Maths & General Science

PGVCL-Vidyut-Sahayak-Junior-Assistant-Paper-20Jan2021-Batch1- Maths and General Science

Sr. No Questions with multiple options
1. Find the average of the numbers 172, 179, 186, 193, 200, 207, 214, 221, 228, 235, 242, 249 and 256

(A) 200

(B)  214

(C)  207

(D) 221

Ans:B

 2. Find the value of X, if 25% of X + 40% of 75 = 60.

(A) 122

(B)  124

(C)  120

(D) 126

Ans:C

3. A is twice as efficient than B who can finish the work in 54 days. How many days are required by A alone to complete the entire work(in days)?

(A) 25.

(B)  23

(C)  29

(D) 27

Ans:D

4. Karthik travels first 36 km of the journey at 36 kmph and the remaining 36 km at 72 kmph. Find the average speed of the entire journey(in kmph).

(A) 44

(B)  48

(C)  42

(D) 46

Ans:B

5. Which of the following diseases is transmitted through air?

(A) Measles

(B)  Hepatitis A

(C)  Cholera

(D) Malaria

Ans:A

6. Which gas can be easily compressed under pressure as liquid and is stored in iron cylinder for cooking process?

(A) Liquefied Petroleum gas

(B)  Carbon Monoxide

(C)  Carbon dioxide

(D) Sulphur Dioxide

Ans:A

7. 95+7×12/(252÷3) = ?

(A) 92

(B)  90

(C)  96

(D) 94

Ans:C

 

 

 
8. A man buys a CCTV Camera for Rs.1460 and sells it at a loss of 15 %. Find the selling price of the CCTV Camera (in Rs).

(A) 1231

(B)  1241

(C)  1221

(D) 1251

Ans:B

9. If 23 % of A is equal to 43 % of 23, what is the value of A?

(A) 43

(B)  41

(C)  47

(D) 45

Ans:A

10. The average of 8 consecutive numbers is 36. Find the sum of those 8 numbers

(A) 268

(B)  278

(C)  288

(D) 258

Ans:C

11. Which bacteria produce different insecticidal proteins known as Cry and Cyt toxins?

(A) Bartonella typhi

(B)  Bartonella thuringiensis

(C)  Bacillus typhi

(D) Bacillus thuringiensis

Ans:D

12 Find the value of (a4-b4), given that (a2+b2) = 117, (a-b) = 3 and (a+b) = 15.

(A) 5565

(B)  5465

(C)  5265

(D) 5365

Ans:C

13. A fruit seller had some oranges. He sells 57% of oranges and still has 430 oranges. How many oranges he initially had?

(A) 600

(B)  1200

(C)  1000

(D) 800

Ans:C

14. If January 1, 2020 is a Sunday, then January 1, 2024 falls on which day of the week?

(A) Monday

(B)  Friday

(C)  Sunday

(D) Saturday

Ans:B

15. Find the value of (a-b), given that a2+b2 = 898 and ab = 351.

(A) 16

(B)  14

(C)  12

(D) 18

Ans:B

   
  Data Collected By – Sangita
  Published On – 19th Jan 2022
   

 


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