CAT Questions

Q:

5 sin(x)+ 12 cos(x) + r is always greater than or equal to zero. What is the smallest value satisfied by 'r' ?

A) -13 B) 11
C) 13 D) -11
 
Answer & Explanation Answer: C) 13

Explanation:

Given,

 5sinx + 12cosx ≥ -r 

13513sin x + 1213cos x  -rcosx) ≥ -r 

513= cosA => sinA =1213

 

=> 13(sinx cosA + sinA cosx) ≥ -r

 

=> 13(sin(x + A)) ≥ -r

 

we know that , -1 ≤ sin (angle) ≤ 1

 

=> 13sin (x + A) ≥ -13 rmin =13 

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Filed Under: Simplification
Exam Prep: CAT
Job Role: Bank PO

8 5724
Q:

Facilitate is similar in meaning to

A) help B) halt
C) check D) All of the above
 
Answer & Explanation Answer: A) help

Explanation:

Facilitate means assist someone in their progress or work. Here Help is the only word which is similar in meaning with facilitate. Halt and check are antonyms i.e opposite in meaning of facilitate. 

 

Hence, facilitate is similar in meaning to help.

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Filed Under: English
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8 5723
Q:

Which Indian Anti Hunger activist will be honoured with the 2017 Queen’s Young Leaders award  ?

A) Sachin Bansal B) Anil Agarwal
C) Ankit Kawatra D) Kunal Bahl
 
Answer & Explanation Answer: C) Ankit Kawatra

Explanation:

Indian anti-hunger activist Ankit Kawatra has honoured with the 2017 Queen’s Young Leaders award for his exceptional work in transforming the lives of others. Kawatra is among the 60 others from all 53 Commonwealth countries to be felicitated with the prestigious award by Queen Elizabeth (II) at a ceremony in Buckingham Palace in London on June 29, 2017. The honourees will also undergo a year-long mentoring and online learning by the University of Cambridge to build leadership capabilities and better their work towards the communities. He is the founder of Feeding India, a not-for profit organization that works towards solving problems of hunger, malnutrition and food wastage, mainly by redistributing extra food from restaurants, canteens, households, corporates etc. to help people in need.

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Filed Under: Honours and Awards
Exam Prep: Bank Exams , CAT
Job Role: Bank Clerk

6 5719
Q:

Rajitha's present age is three years less than twice her age 12 years ago. Also, the ratio of Raj's present age to Rajitha's present age is 4:9. What will be Raj's age after 5 years ?

A) 17 yrs B) 16 yrs
C) 19 yrs D) 21 yrs
 
Answer & Explanation Answer: A) 17 yrs

Explanation:

Let the present age of Raj and Rajitha be 4x and 9x.
Then, according to question,
9x = 2(9x-12)-3 => 9x = 27 => x = 3
Raj's present age = 4x = 12yrs,
After 5 years Raj's age will be 12 + 5 = 17 yrs.

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Filed Under: Problems on Ages
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5 5709
Q:

When 0.46 is written in simplest form, the sum of the numerator and the denominator is  ?

A) 69 B) 73
C) 96 D) 41
 
Answer & Explanation Answer: B) 73

Explanation:

0.46 = 46/100 = 23/50.

Sum of the numerator and denominator is 23 + 50 = 73

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Filed Under: Decimal Fractions
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8 5704
Q:

Which of the following is not a function of the Control Unit?

A) Interpret instructions B) Read instructions
C) Execute instructions D) Direct operations
 
Answer & Explanation Answer: B) Read instructions

Explanation:

Control Unit can perform the functions Interpret instructions, Execute instructions and Direct operations. But Reading instructions is not a function of the Control Unit.

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13 5698
Q:

The intersection of a column and a row

A) Cell B) Menu
C) Key D) Field
 
Answer & Explanation Answer: A) Cell

Explanation:

The intersection of a column and a row in a spread sheet is called as a cell or a bon.

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5 5697
Q:

If in the following set of numbers, the first and the third digits are interchanged in each number, which number will be second from the end if arranged in ascending order after interchanging the digits ?

585  546  514  404  206  369

A) 404 B) 585
C) 415 D) 602
 
Answer & Explanation Answer: C) 415

Explanation:

Given numbers are 585 546 514 404 206 369
Then interchanging the 1st and 3rd digits of the given numbers, we get
585 645 415 404 602 963
Now, arranging them in ascending order
963 645 602 585 415 404
Then the last second number is 415.

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Filed Under: Numbers
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5 5693