BHEL Artisan Electrician Solved Papers

The population of a village increased by 16% in 2020 and decreased by 5% in 2021. If its population in January 2022 is 27,550, then find its population in December 2019.

Two sets of numbers are given below. In each set of numbers, certain mathematical operation(s) on the first number result(s) in the second number. Similarly, certain mathematical operation(s) on the second number result(s) in the third number and so on. Which of the given options follows the same set of operations as in the given sets?

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 - Operations on 13 such as adding to/subtracting from/multiplying with 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

11-44-54-108
9-36-46-92

If ₹20,000 is invested at a rate of 12% compound interest per annum compounded half-yearly. How long will it take to become ₹23,820.32?

The number 2786140 is divisible by:

Two pipes, P and Q, can fill a tank in 24 minutes and 30 minutes, respectively. If both pipes are opened together, how much time will it take to fill the tank?

Find the least value of (3k² - 5) for which the five digit number

What will come in the place of the question mark (?) in the following equation, if '+' and '-' are interchanged and 'x' and '÷' are interchanged?
135 × 15 ÷ 17 + 7 - 4 = ?

A shopkeeper marks an article at ₹x and offers a discount of 50% on it. He sells it for ₹374 after charging VAT of 36% on the discounted price. What is the value of x?

Select the greatest ratio among the following:
33:37
41:43
27:31
38:39

Seven people A, B, C, D, E, F and G are sitting in a straight line, facing north. None sits to the left of C. Only three people sit between G and C. F is an immediate neighbour of both C and A. B sits to the immediate right of E. Who sits third to the right of D?

A person borrowed an amount of ₹8,000 at the simple interest rate of 8.4% for n months. If the interest is ₹3,584 then find the value of n.

Mohit ranked 24th from the top and 36th from the bottom in his class. How many students are there in his class?

In a certain code language, 'COAL' is coded as '1378' and 'COLD' is coded as '1938'. What is the code for 'D' in that language?

Seven boxes A, B, C, D, E, F, and G are stacked one on top of another, but not necessarily in the same order. A is kept at the bottom. Exactly two boxes are kept between A and D. Exactly two boxes are kept between D and E. Exactly three boxes are kept between B and F. C is kept immediately below B. Which box is third from the bottom?

If 'A' stands for '+', 'B' stands for 'x', 'C' stands for '÷' and 'D' stands for '-', then what will come in place of the question mark (?) in the following equation?
6C114A3B8D3=?

If the fourth proportional of 2, 5 and (x² + 1) is 65, then find the value of x⁴ + 10.

If 'P' stands for '-', 'Q' stands for 'x', 'C' stands for '÷' and 'D' stands for '+', then what will come in place of the question mark (?) in the following equation?
15D9C3Q2P14 = ?

All 29 students in a class are standing in a straight line facing north. Lavanya is 10th from the right end while Adi is 18th from the left end. How many students are standing between Lavanya and Adi?

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.

Statements:
Some guns are roses. All roses are brakes.

Conclusions:
(I) Some guns are brakes.
(II) All brakes are roses.

A solid cone of radius 14 cm and height 24 cm is melted and recast into a solid cylinder of radius 7 cm. Calculate the height of the cylinder.