Question 1

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?c_e_cd_f_de_

Accepted Answer

The Correct Answer is dfecf

Question 2

If α and β are the roots of equation x2 – 2x + 4 = 0, then what is the equation whose roots are α3/β2 and β3/α2?

Accepted Answer

The Correct Answer is x2 – 2 x + 4 = 0

Question 3

If x + 1/x = 6, then value of x2 + 1/x2 is

Accepted Answer

The Correct Answer is 34

Question 4

A dealer allows a discount of 15%. A customer pays an amount of Rs. 318.75 for an article. At what price is the article listed?

Accepted Answer

The Correct Answer is Rs. 375.00

Question 5

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 street lights be switched off after midnight?Argument I : No, statistics show that crime and accidents increase if street lights are switched off.Argument II : Yes, few vehicles ply after midnight, expensive electricity will be wasted.

Accepted Answer

The Correct Answer is if both I and II are strong.

Question 6

What will be the next set of alphabets in the series? AZ, BY, CX, ___

Accepted Answer

The Correct Answer is DW

Question 7

In a mixture, sugar and milk are in the ratio 4 : 5. If 7 litres of milk is added to it, then the ratio of sugar and milk in the new mixture becomes 2 : 3. What is the total quantity (In litres) of sugar in new mixture?

Accepted Answer

The Correct Answer is 28

Question 8

What is the value of [(cos32θ + 3 cos 2θ)÷(cos6θ – sin6θ)]?

Accepted Answer

The Correct Answer is 4

Question 9

If x2 + y2 + 6x + 5 = 4(x - y) then x - y is

Accepted Answer

The Correct Answer is 1

Question 10

Select the odd letters from the given alternatives.

Accepted Answer

The Correct Answer is QRS

Subject Category > Mathematics

Q. A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.49, 64, ?, 100, 121

A) 80

B) 74

C) 81

D) 75

✔ 81

Additional Information > Exam point of View

Asked Question

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