General Aptitude (original) (raw)

Consider the following logical inferences.

I1: If it rains then the cricket match will not be played.

The cricket match was played.

Inference: There was no rain.

I2: If it rains then the cricket match will not be played.

It did not rain.

Inference: The cricket match was played.

Which of the following is TRUE?

• Both I1 and I2 are correct inferences
• I1 is correct but I2 is not a correct inference
• I1 is not correct but I2 is a correct inference
• Both I1 and I2 are not correct inferences

The cost function for a product in a firm is given by 5q2, where q is the amount of production. The firm can sell the product at a market price of Rs 50 per unit. The number of units to be produced by the firm such that the profit is maximized is

A political party orders an arch for the entrance to the ground in which the annual convention is being held. The profile of the arch follows the equation _y = 2x – 0.1x 2 where y is the height of the arch in meters. The maximum possible height of the arch is

An automobile plant contracted to buy shock absorbers from two suppliers X and Y. X supplies 60% and Y supplies 40% of the shock absorbers. All shock absorbers are subjected to a quality test. The ones that pass the quality test are considered reliable. Of X’s shock absorbers, 96% are reliable. Of Y’s shock absorbers, 72% are reliable. The probability that a randomly chosen shock absorber, which is found to be reliable, is made by Y is

Which of the following assertions are CORRECT?

P: Adding 7 to each entry in a list adds 7 to the mean of the list

Q: Adding 7 to each entry in a list adds 7 to the standard deviation of the list

R: Doubling each entry in a list doubles the mean of the list

S: Doubling each entry in a list leaves the standard deviation of the list unchanged

Given the sequence of terms, AD CG FK JP, the next term is

What will be the maximum sum of 44, 42, 40, ...... ?

Find the sum of the expression

A tourist covers half of his journey by train at 60 km/h, half of the remainder by bus at 30 km/h and the rest by cycle at 10 km/h. The average speed of the tourist in km/h during his entire journey is

If Log(P) = (1/2)Log(Q) = (1/3)Log(R), then which of the following options is **TRUE?

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