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ATQ,
Time taken by ‘Aman’ and ‘Bheema’ together to complete the whole task = (12/0.5) = 24 days Time taken by ‘Chinky’ to complete the whole task = (12/0.30) = 40 days Let total task be 120 units {LCM of 24 and 40} Efficiency of ‘Aman’ and ‘Bheema’ together = (120/24) = 5 units/day Efficiency of ‘Chinky’ alone = (120/40) = 3 units/day Required time = 120/(5 + 3) = 15 days
Neha and Riya start together from point P to point Q. The ratio of their speeds is 4:3. If Riya takes 30 minutes more than Neha to reach point Q, find t...
Which of the following memory types is non-volatile and can be electrically erased and reprogrammed?
Six persons, A, K, T, J, S and R, have different height. S is taller than K. T is shorter than K, but he is not the shortest. J is shorter than A, who i...
Statements : P > Q < R = U ≤ V = S ≤ W ≥ X > I
Conclusions :
I. Q ≥ V
II. R ≤ W
Which of the following is true with respect to U as per the given information?
दो संख्याएँ किसी तीसरी संख्या से क्रमषः 20% और 50% अधिक हैं। प�...
The position of how many alphabets will remain unchanged if each of the alphabets in the word ‘BLOCKBUSTER’ is arranged in alphabetical order from...
यदि महीने का सातवाँ दिन षुक्रवार से तीन दिन पहले का है तो इ...
What is phishing in terms of computer security?