PGVCL-Vidyut-Sahayak-Junior-Assistant-Paper-20Jan2021-Batch2 – Maths and General Science
| Sr. No | Questions with multiple options |
| 1 | Find the value of (a-b), given that a2+b2 = 4573 and ab = 2226.
(A) 13 (B) 11 (C) 9 (D) 15 Ans: B |
| 2 | Find the value of (a4-b4), given that (a2+b2) = 245, (a-b) = 7 and (a+b) = 21.
(A)36015 (B)36115 (C)36315 (D)36215 Ans: A |
| 3 | The average of 19 consecutive numbers is 43. Find the sum of 19 numbers.
(A) 847 (B) 817 (C) 837 (D) 827 Ans: B |
| 4 | Metals which can be drawn into wires are called ___________
(A) Ductile (B) Decantation (C) Colloids (D) Sublimation Ans: A |
| 5 | Find the average of the numbers 189, 196, 203, 210, 217, 224, 231, 238, 245, 252, 259,266, and 273.
(A) 229 (B) 227 (C) 235 (D) 231 Ans: D |
| 6 | A is twice efficient than B who can finish the work in 94 days. How many days are required
by A alone to complete the entire work(in days)? (A) 47 (B) 48 (C) 46 (D) 49 Ans: A |
| 7 | If 52% of A = 72% of 52, what is the value of A?
(A) 73 (B) 72 (C) 71 (D) 74 Ans: B |
| 8 | 87+17×24/(1224÷3) = ?
(A) 86 (B) 82 (C) 84 (D) 88 Ans: D |
| 9 | A man buys a CCTV Camera for Rs.1940 and sells it at a loss of 15%. Find the selling price of the CCTV Camera (in Rs).
(A) 1649 (B) 1639 (C) 1629 (D) 1659 Ans: A |
| 10 | Find the value of X, if 25% of X + 40% of 285 = 214
(A) 700 (B) 400 (C) 600 (D) 500 Ans: B |
| 11 | A fruit seller had some oranges. After selling 78% of it, he had 374 oranges. How many oranges did he initially have?
(A) 1400 (B) 1500 (C) 1700 (D) 1600 Ans: C |
| 12 | Which is the only substance that can exist simultaneously in all the three states of matter?
(A) H2O (B) O2 (C) CO2 (D) D2O Ans: A |
| 13 | Karthik travels first 93 km of the journey at 93 kmph and the remaining 93 km at 186kmph. Find the average speed of the entire journey (in kmph).
(A) 121 (B) 122 (C) 124 (D) 123 Ans: C |
| 14 | Which of the following chemical substances is used to manufacture chloroform?
(A) Cyclohexane (B) Calcium oxychloride (C) Toluene (D) Chlorine Ans: D |
| 15 | If January 1, 2088 is a Sunday, January 1, 2092 falls on which day of the week?
(A) Friday (B) Sunday (C) Monday (D) Saturday Ans: A |
| Data Collected By – Sangita | |
| Published on – 9th Jan 2022 | |
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