knack systems Interview Questions

The interest on Rs. 750 for 2 years is equal to the discount on Rs. 810 for the same time and at the same rate. The rate percent is:
A. 2%
B. 4%
C. 6%
D. 8%

213 viewsAdmin Changed status to publish December 31, 2021Aptitude True Discount

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What is your Favourite color

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A 300 meter long train crosses a platform in 39 seconds while it crosses a signal pole in 18 seconds. What is the length of the platform?

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If both radius of the base and the height of a right circular cone are increased by 20%, its volume will be increased by :
A. 70.8%
B. 72.8%
C. 74.8%
D. 76.8%

199 viewsAdmin Changed status to publish November 24, 2021Aptitude Volume and Surface Area

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Who made an impact with the New Look after establishinga Paris salon in 1947?(a) Christian Dior (b) Coco Chanel (c) Elsa Schiaparelli (d)Hubert de Givenchy

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Find the angle between the hour hand and the minute hand of a clock when 3.25.
A. 97/2
B. 95/2
C. 93/2
D. 91/2

159 viewsAdmin Changed status to publish December 31, 2021Aptitude Time and Clock

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Raman mixed 24 kg of butter at Rs. 150 per kg with 36 kg butter at the rate of Rs. 125 per kg. At what price per kg should he sell the mixture to make a profit of 40% in the transaction?
A. Rs.187
B. Rs. 189
C. Rs.191
D. Rs.193

218 viewsAdmin Changed status to publish November 23, 2021Aptitude Profit and Loss

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The B.D. and T.D. on a certain sum is Rs.200 and Rs.100 respectively. Find out the sum.
A. Rs. 100
B. Rs. 200
C. Rs. 300
D. Rs. 400

141 viewsAdmin Changed status to publish January 1, 2022Aptitude Banker's discount

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A,B and C needs 8, 12 and 16 days respectively to finish a task. How many days will it take if A works for 2 days then B works on it until 25% of the job is left for C to do, and C completes the work?

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Who was the associate sponsor of Lakme India FashionWeek in 2003?(a) Hutch (b) Airtel(c) Liberty Footwear (d) Reliance

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Evaluate (1 ⁄ 64)^(-1⁄3)
A. 2
B. 4
C. 6
D. 8

501 viewsAdmin Changed status to publish January 1, 2022Algebra Problems Aptitude

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Two trains move in the same direction at 50 kmph and 32 kmph respectively. A man in the slower train observes the 15 seconds elapse before the faster train completely passes by him. What is the length of faster train ?

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X-intercept of parabola shows value of x when value of
A. y = 0
B. c = 2
C. b = 2
D. a = 2

179 viewsAdmin Changed status to publish December 31, 2021Aptitude Quadratic and Polynomial Functions

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Imagine you are standing in front of a mirror, facing it. Raise your left hand. Raise your right hand. Look at your reflection. When you raise your left hand your reflection raises what appears to be his right hand. But when you tilt your head up, your reflection does too, and does not appear to tilt his/her head down. Why is it that the mirror appears to reverse left and right, but not up and down

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A and B can do a work in 12 days, B and C in 30 days and C and A in 36 days. In how many days will the work be completed, if all three of them work together?

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