Numerical Ability [GATE (Graduate Aptitude Test in Engineering) Aptitude]: Questions 79 - 82 of 103

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Question 79

Numerical Ability

Appeared in Year: 2019

Question

MCQ▾

It takes two hours for a person X to mow the lawn. Y can move the same lawn in four hours. How long (in minutes) will it take X and Y, if they work together to move the lawn?

Choices

Choice (4)Response

a.

120

b.

60

c.

90

d.

80

Question 80

Numerical Ability

Appeared in Year: 2019

Question

MCQ▾

A person divided an amount of ₹ 100,000 into two parts and invested in two different schemes. In one he got 10 % profit and in the other he got 12 % . If the profit percentages are interchanged with these investments, he would have got ₹ 120 less. Find the ratio between his investments in the two schemes.

Choices

Choice (4)Response

a.

11: 14

b.

47: 53

c.

37: 63

d.

9: 16

Question 81

Numerical Ability

Appeared in Year: 2020

Question

MCQ▾

A circle with centre O is shown in the figure. A rectangle PQRS of maximum possible area is inscribed in the circle. If the radius of the circle is a, then the area of the shaded portion is ________

A Circle with Centre O

Choices

Choice (4)Response

a.

b.

c.

d.

Question 82

Numerical Ability

Appeared in Year: 2020

Question

MCQ▾

A super additive function satisfies the following property

Which of the following functions is a super additive function for ?

Choices

Choice (4)Response

a.

b.

c.

d.

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