###### Find the value of k, if the distance between the points (1, 4), (k, 1) is 5. A. 3 or 5 B. 3 or –5 C. –3 or 5 D. None of these
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###### A matrix having m rows and n columns with m = n is said to be a A. scaler matrix B. identity matrix C. square matrix D. rectangular matrix
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###### pipes P and Q would fill a cistern 18 and 24 minutes respectively. Both pipes being opened, find when the first pipe must be turned off so that the cistern may be just filled in 12 minutes? A. after 10 mins B. after 8 1/2 mins C. after 9 mins D. after 12 mins
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###### If the side of a square is 23 feet, then find its area. A. 527 square feet B. 528 square feet C. 529 square feet D. 530 square feet
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###### In a race of 200 m, A can beat B by 31 m and C by 18 m. In a race of 350 m, C will beat B by: A. 15 m B. 20 m C. 25 m D. 30 m
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###### If √24 = 4.899, then the value of √8/3 is ? A. 1.633 B. 2.633 C. 3.633 D. 4.633
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###### There are four prime numbers written in ascending order of magnitude. The product of the first three is 7429 and of the last three is 12673. Find the fourth number? A. 25 B. 27 C. 29 D. 31
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