Aptitude and Reasoning Questions

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

EFGHI, LMNO, RST, WX, ?

If a + b = 10 and ab- 13 = -ba - 11, then what is the value of 3ab + 4a2 + 5b2 ?

Select the odd word from the given alternatives.

In the question a statement is given, followed by two arguments, I and II. You have to consider the statement to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given arguments, if any, is a strong argument.

Statement : Should zoos be closed down?

Argument I : Yes, imprisoning animals is a crime.
Argument II : No, it is fine if some animals are kept in captivity for sake of entertainment.

In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement 1 : All drinks are food.
Statement 2 : No eatables are drinks.

Conclusion I : Some food are eatables.
Conclusion II : Some eatables are food.

For which value of ‘g’ the linear graph of 6x + 12y +9 = 0 and 2x + gy + 3 = 0 has infinite number of solutions?

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?
24 x 6 - 8 + 2 = ?

Calculate the distance (in cm) of the chord from the centre of the circle, if the chord of length 48 cm is drawn in the circle of radius 25 cm.