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In this video I have solve practice set question of MATHEMATICS for the post of plant operator STAGE-1 PRELIMINARY TEST BARC (NRB)
Basics Concept and Introduction with the help of numerical in detail that are most commonly asked in government exams.

Science question explained in detail
   • BARC - NPCIL Plant Operator Previous Year ...  

Mathematics question step by step solution
   • BARC - NPCIL Plant Operator Previous Year ...  

---------------------------------------- Contents of this Video ------------------------------------------------


00:00 - intro

00:20 - 1) If 289 = 〖17〗^(1/5 x), then x = ?

01:34 - 2) What is the smallest number by which 3600 be divided to make it a perfect cube?

03:47 - 3) Solve ∜(〖(625)〗^3 ) = ?

05:12 - 4) Find the square root of 1 13/36 .

06:06 - 5) Find the value of 〖 (-2)〗^5×(2)^(-5)×(3)^3

07:40 - 6) 58.621 – 13.829 – 7.302 – 1.214 = ?

10:15 - 8) If A : B = 5 : 4 and B : C = 3 : 2, then A : B : C = ?

11:36 - 9) 107-digit number is formed by writing first 58 natural number next to each other. Find the remainder when the number is divisible by 8.

13:06 - 10) 4^3+ 5^3+ 6^3……………………..〖10〗^3 = ?

16:12 - 11) The value of (0.2 ̅+0.3 ̅+0.(32) ̅ ) is

19:04 - 12) The sum of 1/( 2),1/(4 ),1/8 of a number is 28. What is the number?

21:00 - 13) Ravi celebrated his birthday on 2nd Sep 1997 when will he celebrate his next birthday on same day?

25:36 - 14) The perimeter of an equilateral triangle is 6cm. Find its area

27: 11 - 15) A motorcycle gives an average of 45km/L. If the cost of petrol is ₹20 per litre. The amount required to complete a journey of 540 km is?

29:41 - 16) What is the average of all numbers between 11 and 80 which are divisible by 6?

31:46 - 17) A dishonest dealer professes to sell his goods at cost price but he uses a weight of 920g for 1 kg weight. Find his gain percent

34:53 - 18) A, B and C invested ₹ 26000, ₹ 34000 and ₹ 10000 respectively in a business. At the end of the year, they earn a profit of 3500. B’s share of profit is?

36:49 - 19) An athlete runs 200m race in 24s his speed (in km/h) is?

39:59 - 20) The surface area of a cube is 486 〖cm〗^3. Find its volume.



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