BHEL Artisan Welder Solved Papers

A shopkeeper buys a book for ₹200, spends 20 on binding and sells it for ₹250. Find his profit or loss percentage. (Round off the answer to one decimal place.)

Find the difference between the compound interest, compounded annually, and simple interest on ₹8,000 at 5% per annum for 2 years.

Seven people A, B, C, D, E, F and G are sitting in a straight line facing north. Only three people sit between E and F. B sits second to the right of A. A is an immediate neighbour of F. C sits to the immediate right of G and is at one of the ends of the line.
Three of the following four are alike in a certain way based on the given arrangement and thus form a group. Which one DOES NOT belong to that group?

If 30% of $k$ is 15 less than 3600% of 25, then $k$ is:

Salma ranked 12th from the top and 10th from the bottom in his class. How many students are there in his class?

In a certain code language, 'GEAR' is coded as '3615' and 'READ' is coded as '6538'. What is the code for 'D' in that language?

Simplify: $66 - [64 - (60 \div 6 - (19 - 39 \div 3) + 6)]$

Which of the following is a pair of coprime numbers liying between 25 and 35?

In the following number-pairs, the second number is obtained by applying certain mathematical operation(s) to the first number. In three of the following four pairs, the same pattern is applied and hence they form a group. Select the number-pair that DOES NOT belong to this group.
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits.)
55 - 30
80 - 55

4 is related to 15 following a certain logic. Following the same logic, 10 is related to 99. To which of the given options is 5 related, following the same logic?
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits.)

8 is related to 32 following a certain logic. Following the same logic, 12 is related to 48. To which of the given options is 5 related, following the same logic?
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits.)

What is the mean proportion of 867 and 243?

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 conclusion(s) logically follow(s) from the statements.

Statements:
Some mops are tubs.
No tub is a cap.

Conclusions:
(I) Some mops are caps.
(II) Some tubs are mops.

If third proportional of 10 and 70 be $x$, then what is the value of $x$?

Two trains whose lengths are 520 m and 590 m are running towards each other on parallel tracks, one at the rate of 150 km/hr and another at the rate of 120 km/hr. How much time will they take to cross each other? (Rounded off to one decimal place)

What should come in place of the question mark (?) in the given series?

266, 212, 162, 116, 74, ?

Seven people A, B, C, D, E, F and G are sitting in a straight line, facing north. Only three people sit between E and F. B sits to the second right of A. A is an immediate neighbour of F. C sits to the immediate right of G and is at one of the ends of the line. Who is sitting to the immediate right of B?

The slant height of a cone is 85 cm and the radius of the circular base is 28 cm. Find its total surface area (in $\text{cm}^2$). (Take $\pi = \frac{22}{7}$)

Seven boxes M, N, O, P, S, T and U are kept one over the other but not necessarily in the same order. No box is kept above O. Only three boxes are kept between O and M. Only one box is kept between N and T. T is kept immediately above M. Only four boxes are kept between N and P. S is kept at some place above U. Which box is kept second below S?

At what rate per cent per annum will ₹8,000 earn ₹3,200 in 4 years under simple interest?