Keyideas Infotech Interview Questions

You have been given sand time clocks of 4 and 7 minutes. How to measure 9 minutes?

232 viewsAptitude

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Let f(x) = lxl, then
A. f(x) is maximum at x = 0
B. f(x) is minimum at x = 0
C. f'(0) = 0
D. None of these

191 viewsAdmin Changed status to publish December 30, 2021Aptitude Calculus

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A train 800 m long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 min, then the length of the tunnel is?

213 viewsAptitude Assistant Manager

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One years ago a father was four times as old as his son. After 6 years his age exceeds than twice of his son’s age by 9 years. Ratio of their present ages is ?
A. 3 : 11
B. 11 : 3
C. 12 : 13
D. 13 : 12

175 viewsAdmin Changed status to publish December 29, 2021Aptitude Problems on Ages

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Two third of three- fifth of one fourth of a number is 24, what is 30% of that number?
A. 68
B. 70
C. 72
D. 74

188 viewsAdmin Changed status to publish November 23, 2021Aptitude Problems on Numbers

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A cycle is bought for Rs. 900 and sold for Rs. 1080, find the gain percent?
A. 20%
B. 10%
C. 15%
D. 25%

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

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There are some chickens in a poultry. They are fed with corn. One sack of corn will come for 9 days. The farmer decides to sell some chickens and wanted to hold 12 chicken with him. He cuts the feed by 10% and sack of corn comes for 30…

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Explain the problem of synchronisation of the CPU with the input_output devices

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A circle is inscribed in a Triangle of side 6cm. What is the area of circle?

232 viewsGeneral Aptitude

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Variables of linear equation is implicitly raised to
A. first power
B. second power
C. third power
D. four power

488 viewsAdmin Changed status to publish January 6, 2022Aptitude Linear Equations

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If points of straight line are A(1, 2) and B(6, 2) then line AB is
A. horizontal line with equation y = 2
B. horizontal line with equation x = 6
C. vertical line with equation y = 2
D. vertical line with equation y = 6

164 viewsAdmin Changed status to publish January 5, 2022Aptitude Co-ordinate Geometry

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If an insurance company pays $5000 for complete loss, $1500 in case of a loss of $2000 and more and nothing in case the loss is less that $2000. It obviously pays nothing in case of no loss. If the probability of the first 3 events are 0.02,0.10 and 0.3 , find what should the company charge in order to make a profit of $50 from each customer ?

175 viewsAptitude

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1,2,10,37,- find the blank number

197 viewsGeneral Aptitude

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P, Q, R and S are playing a game of carrom. P, R and S, Q are partners. S is to the right of R who is facing west, then Q is facing?

216 viewsAptitude

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Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P, Q and R respectively. What is the proportion of solution R in the liquid in the tank after 3 minutes?

469 viewsAptitude

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